Types of workover rigs. workover rigs, and snubbing units.

Types of workover rigs This chapter describes types of workover operations and associated equipment. These rigs can be broadly categorized into conventional drilling rigs, directional drilling rigs, hydraulic fracturing drilling rigs, coiled tubing drilling rigs. For more convenient movement between well sites, workover rigs can be mounted on trucks, trailers, or skids. com/Key-Unlocked-Workover-Rigs-Overview-126491060 - Join Lauren, a petroleum engineering student at the University of Texas in Austin, a When you have to re-enter a well, you need workover systems that quickly get you back into production. , 2018). A well service or workover rig is a relatively mobile platform that performs operations and maintenance on a gas, water, or oil well, usually multiple times over the life of the well. It allows for more advanced well intervention activities to be performed, such as wellbore logging and Jun 15, 2024 · Discover the 20+ types of land oil rigs categorized by drilling methods, drive equipment, drive methods, main transmission types, and drilling depth. Mar 1, 2012 · Thanks for this post…Drilling Rigs can be massive structures housing equipment used to Drilling Rigs OEM Spare Parts, Drilling Rig. workover rigs, minimising the production loss associated with the wells waiting for maintenance service [3]. There are various types of workover rigs available, and the selection depends on several factors including the well conditions, operational requirements, and the These rigs ensure safe and efficient oil and gas exploration and production. Aug 15, 2011 · http://my. C. Module content: Lesson 1—Overview; Lesson 2—Land Rigs; Lesson 3—Offshore Rigs nance services have been assigned to some workover rig. Nonconventional systems allow specific types of work to be done without pulling the tubing, disassembling the Christmas tree Feb 5, 2023 · Workover is a term used in the oil and gas industry to describe the maintenance and repair of existing wells. Well killing involves circulating a fluid (called workover fluid e. It can also work as a light and efficient small workover rig. A workover rig. Skid-mounted rigs are ideal for offshore or remote locations, as they’re transported piece by piece and assembled on-site. Workover rigs contain a full line of drilling Jan 24, 2022 · Workovers can be done with conventional rigs (smaller but similar to drilling rigs) or nonconventional systems. Downhole Power Drilling Tools Aug 16, 2024 · A workover rig is a movable, self-propelled equipment used in the oil and gas sector to maintain and repair existing oil or gas wells. Workover rigs are smaller and move around. Ram blowout preventers, also known as pipe ram BOPs, are another type of blowout preventer commonly used in the oil and gas industry. Sino Mechanical truck/trailer mounted workover rig is mechanically and hydraulically driven. Such as Drilling Rigs Dubai, Saudi Arabia, UAE, Africa. The jackup rig, Semi-submersible rig, The submersible rig, Drilling ship rigs type, Platform rig, The inland barge rig, and ; Tension leg platform. A workover rig is a specialized drilling rig used in the oil and gas industry for maintenance, repair, and remedial activities on existing wells. Offshore Rigs: Designed for operations in marine environments, they are mounted on floating platforms or barges. A workover rig is a type of oil and gas drilling rig that is used to perform maintenance and repair work on existing wells, rather than drilling new ones. The surrounding environment can dictate the type of rig you’ll need to see a workover through to its successful conclusion. Here’s a broad category of different types of drilling rigs used for drilling oil & gas wells: Land-Based Rigs. About Well Service & Workover Rigs. This is where understanding what workover rigs are becomes essential. Throughout our 5-days Well Completion and Workover course, our instructor will offer assistance and feedback to help you navigate the well-completion and workover process. REGOMS is moving forward by providing a versatile solution- The hydraulic Workover Unit (HWU) HWU is a cost effective method used for Well Intervention or Re-entry to modify well’s condition … Hydraulic Workover Rig Hwu Read More » This type of wire is referred to as slickline because it does not have an insulating or protective coating. Purpose and Functionality: As mentioned earlier, drilling rigs are primarily used for creating new wells, while workover rigs are focused on maintaining and servicing existing wells. Alshawamikh workover team are providing standard workover unit and heavy workover unit activities for a wide range of operations: A 15,000 – m2 support base with a fully specialised maintenance team, including the provision of various types of packers and welding workshop activities, facilities, and warehouse. Successful fracturing of deepest and highest temperature well at Rajahmundry was carried out by in-house team (depth of 4069. Workover rigs help in repairing and maintaining wells, ensuring operations stay efficient over time. Our diverse and modern rig fleet is made up of VFD and SCR rigs, built or refurbished in the last 10 years, many of them equipped with 7500 psi 10 Workover Rigs jobs available in Williston, ND on Indeed. 5 Mts and BHT – 165. Full-time   Location. The selection of suitable workover rig to perform a particular job depends on depth of the well and load capacity. Upon completion of the course, you will possess a thorough comprehension of the process and be equipped to utilize your newly acquired expertise in the field. They include jack-up rigs for shallow water and semi-submersibles for deeper areas. That’s when cable-operated rig-assist (RA) devices (Figure 1) were first introduced to the industry to enable “snubbing” of pipe velocity strings under live well conditions. For each well j ∈R not yet assigned to a workover rig, we compute its production loss loss What types of equipment are included in Oil Rigs and Equipment Coverage? Well servicing, well drilling or well work over rigs and equipment and scheduled vehicles. Al Baraka Oilfield Services SAOC has supported Oman's leading oil and gas exploration and production company in the Sultanate, in servicing wells in the Oman Block 6 concession area using Conventional Workover Rigs since 2013. Hydraulic Workover Unit As there are a number of wells out there that is currently in need of well intervention and Plug & Abandonment (P&A). A "workover" is the process of increasing or restoring a well's output by the use of intrusive procedures. Find The Right Well Service / Workover Rig Jul 26, 2021 · Overall cost and success of a workover job depends upon selection of workover rig. Partner with SMKST for advanced rigs and unmatched service in your drilling projects. Sep 23, 2021 · Workover rig also known as workover pulling unit rigs,In the oil and gas industry, workover rigs are used to perform maintenance, repair, or enhancement operations on existing wells. com. It handles tasks like well interventions, completion changes, stimulation, and plugging. Learn how each type enhances oil, gas, and geothermal drilling efficiency. Hoist (Workover Rig) The term “workover” is used to refer to any kind of oil well intervention involving operational techniques, such as hoist, wireline, coiled tubing or snubbing. This type of facility also lends itself to pre-drilling the wells through a sub-sea template. Drillmec is a leading OEM for land-based drilling rigs. 101 Workover Rig Operator jobs available on Indeed. Snubbing Unit Flushby unit can substitute the crane, flush truck, pump truck in sand washing work of heavy oil well in rotary screw pump type. Nov 12, 2024 · Workover rigs come in various types, each designed for specific tasks and environments. H. Aug 17, 2024 · While both drilling rigs and workover rigs play crucial roles in the oil and gas industry, there are several key differences between these two types of equipment:. Drillmec has built and supplied more than 80 rigs operating in various arctic regions worldwide. These rigs are mobile and can be transported to remote locations. This process is used to restore production from a well that has decreased or stopped flowing, and it is an important part of the lifecycle of an oil or gas well. Apply to Operator, Mechanic, Derrick Hand and more! rig type, but strives to provide the reader with an overview of each. It also outlines common downhole tools, safety requirements like firefighting and general precautions during rig-up and rig-down. Over the years we have developed a formidable inspection format for all the different types of rigs, from the latest generation Drillships, Semi-submersibles, Jack-ups, and Rigless units to Land Rigs and Truck Mounted rigs. They can be used for a wide range of maintenance and repair tasks, including replacing damaged tubing or casing, cleaning out wells, and re-perforating wells to increase productivity. Workover Rigs. A – As defined in section 2449(c)(62), a workover rig is a mobile self-propelled rig used to perform one or more remedial operations, such as deepening, plugging back, pulling and resetting liners, on a producing oil or gas well to try to restore or increase the well’s production. However, novel types of workover rigs such as grid-power, top-drive and automatic rigs still need further R&D efforts. 5. Baker Hughes well intervention and workover tools and services minimize the risk and maximize the production outcome of your downhole intervention. Drilling & Workover Rigs. The one overriding theme that holds true, regardless of rig type, is that the drilling industry has made big changes in the design and layouts of all rig types to improve safety for the people working on these rigs, safeguard the envi- Sep 6, 2024 · Offshore rigs are for the sea. Sino Mechanical workover rig series cover the workover depth from 2500m to 7000m and drawworks power from 250HP to 1000HP. Mobile offshore rigs are designed for flexibility and adaptability, allowing them to explore and drill in various locations. Mar 22, 2022 · The type of marine rig also can depend on problems involved in getting the rig on location and keeping it stationed in the desired position. BOP Pipe rams. Why Workover Rigs are Crucial: Rig model: Horsepower: Hook capacity: Mast type: Substructure type: Setback capacity: AC Ideal Rig 1,500 hp 375 tons Cantilever (straight leg) Slingshot-cylinder 500,000 lb Ideal Box Rig 1,500 hp 375 tons Cantilever (straight leg) Reason to perform a workover. Understanding the differences between workover rigs and drilling rigs is fundamental for optimizing operations in the oil and gas industry. The rig can be used for workover activities during the life-cycle of the well. Taylor Rig and Equipment offers industry-leading repair, refurbishing, inspection, and support services for a diverse range of oilfield equipment and brands. Oct 8, 2024 · But once a well is drilled, ongoing maintenance may be required to keep things running smoothly. More specifically though, it refers to the expensive process of pulling and replacing a completion to extend the life of the well. Hence, all wells can be drilled from a semi-submersible rig while the production facility/workover rig is being installed on the TLP before deployment in the field. Understanding the differences between these two types of rigs is crucial for making informed decisions regarding operations: Purpose: Drilling rigs are used for creating new wells, while workover rigs are focused on servicing and maintaining existing wells. Increased worker safety and precision are the keys to the move toward robotic rigs, whether autonomous or operated by remote. Apply to Operator, Derrick Hand, Rig Hand and more! Job Type: Full-time. Sp eci al workov rope tions – long interva cas ng About Well Service & Workover Rigs. The workover rigs must service oil wells requesting maintenance as soon as possible. Workover Rig. Who uses HWU's in the Middle East Region? Oct 1, 2021 · These highly complex and expensive structures are used in critical activities such as evaluation, drilling, completion, and workover. - The whole rig structure is compact and highly integrated, which requires a smaller It is a process of pulling and replacing a well completion to repair an existing production well for the purpose of restoring, prolonging, or enhancing the production of hydrocarbons. The Flushby unit with COROD gripper features a COROD injector About Well Service & Workover Rigs. Apr 1, 2006 · The loop in lines 4–8 assigns a well to the last position of each workover rig i = 1, …, m. Our fleet truck-mounted, fast-moving rigs which are ideal for both light and heavy work over campaigns as both rigs are equipped with full edge mud system that can handle normal drilling activities. Some of the rigs are above water, and crews drill from that location. It outlines various land and offshore rigs, including conventional land rigs, mobile land rigs, inland barge rigs, posted barge rigs, submersible rigs, fixed jacket rigs, and drill ships. 4400 Ten Mile Road Mar 18, 2024 · Our Well Completion and Workover course provides valuable insights, practical knowledge, and hands-on experience to equip you with the necessary expertise to excel in the field of well workover. It may come on a self-propelled carrier truck, trailer, or skid. The features of Submersible Drilling Rigs are. Conventional rigs can be equipped to handle almost all types of work that may be required (see Land rigs). 2, GB7258, SY5202 as well as "3C" compulsory standard. We are the largest drilling company in the Middle East, and Africa operate an expansive fleet of rigs that includes. May 23, 2023 · Abstract. Moreover, workover operations are of varying complexity; some wells may require a single day for an intervention to be completed, while others can require months. Workover includes primarily changing completions and casings, fishing, cementing, abandonment, milling, perforations, changing pumps/motors, upsizing wellhead unit also performs all types of continuous and conventional sucker-rod service work. 00 83 Workover Rig Hand jobs available on Indeed. The term workover is used to refer to any kind of oil well intervention involving invasive techniques, such as wireline, coiled tubing or snubbing. Types of Mobile Offshore Rigs. For example, you could potentially need a desert workover rig, a swamp workover rig or a slant-well workover rig. Otis, Sr. there are 16 versions of JZ Series Weight Indicating Systems ranging from 500 tons to 40 tons for different types of drilling / workover rigs. Conclusion. For each well j ∈ R not yet assigned to a workover rig, we compute its production loss loss j (i, last) in case it is assigned to the last position of Full Rig Inspection – Rig QA International has in excess of 22 years of rig inspection experience. Dec 19, 2013 · The document discusses different types of drilling rigs and factors for selecting a rig. The production tubing may have become damaged due to operational factors like corrosion to the point where well integrity is threatened. is an oilfield equipment manufacturer committed to providing quality service/workover rigs, parts and components to our customers. Workovers rank among the most complex, difficult, and expensive types of well work. The Floor hand is responsible for assisting in setting up and taking down of the Workover Rig and equipment, handling, sorting, and moving tools, pipe, cement, and other materials in addition to maintaining a clean and organized work environment. 5°C) using in-house developed fracture fluid for this high temperature. The choice of the wells to be assigned to the workover rigs is based on their production losses. They are deployed after a well has been drilled and completed, and their primary role is to perform intervention operations to optimize well productivity. These About Well Service & Workover Rigs. Swamp type, river, and inland bay areas Typical water depths are 20 feet This presentation provides information about workover operations in OIL. The choices include . Conventional Workover Rigs These rigs typically consist of a derrick or mast, a hoisting system, and a power source. In the Rotary Drilling Rig Types module you will learn how rigs are classified, the characteristics of various types of rigs and the criteria used to select the type of offshore rig to be used. More specifically, a workover refers to the expensive process of pulling and replacing completion or production hardware in order to extend the life of the well. 75 Oil Rig Workover jobs available on Indeed. These rigs are designed to be mobile and versatile, and they are typically used to perform a wide range of tasks, including well completion, workover, and well Production Solutions provides “top quality” fully outfitted workover rigs with highly experienced personnel to perform all types of workover operations including: • Stimulation • Re-Completions • Re-Entry jobs including Sidetracks / Whipstock • Tubular Running • Repairing Downhole Equipment Failures • General Well Maintenance Sep 1, 2023 · This enables the use of surface wellheads. There are special rigs built for specific types of climates, terrains and well installation types. Jun 12, 2024 · Drilling Rigs: Incorporate directional drilling and fracking technologies to access hard-to-reach reserves. rig type, but strives to provide the reader with an overview of each. workover rigs, and snubbing units. [11] Feb 1, 2020 · (1) Localization of conventional workover rigs has been achieved, and the resultant product is seen with mature tech- nologies and price advantage, and can fulfill demand of do- mestic operation. Pay: $35. Mobile Workover Rigs Mobile workover rigs are designed for easy transportation and can be quickly set up at different locations Drilling & Workover Rigs Gulf Energy’s fleet of rigs range from 200 HP to 1,500 HP and offer drilling capabilities for all type of wells with depths up to 4000m. There are several types of oil rigs, each one with a specific purpose in terms of operations it can perform and its own technical specifications. When it comes to onshore drilling, various types of drilling rigs are utilized based on specific requirements and geological conditions. Workover Operations involves Involves well kill Submersible Drilling Rigs. Compared with the skid Dec 29, 2014 · Halliburton hydraulic workover operations began in 1929 when Mr. It describes the steps in workover operations from well selection to rig down. Pay: $21. Ÿ Workover Operations: Ÿ Workover de nition and description Ÿ Workover Types: Ÿ Safety Workover (SWO) Ÿ Long term suspension (LTS) Ÿ Plug and Abandonment (P&A) Ÿ Production enhancement (PE) WELL CONTROL AND WELL WORKOVER About Well Service & Workover Rigs. The fact is that there are three types of problems mostly encountered with workover [4]: workover design errors poor operation poor workover practices The OEE measure can be applied at numerous Jan 22, 2024 · Mobile Offshore Rigs 1. 2 presents the different types of oil rigs. 1 Conventional Land Rigs. The drill string, made of drill pipe, collar, and bit, is key for these deep operations. Workover rigs have a surface depth that is equipped with diesel engines and transmissions and is available from 8000 ft to 30000 ft. When delving into the intricacies of workover rigs, it becomes evident that their necessity is rooted in two primary concerns. Apply to Floorhand, Operator, Derrick Hand and more! Job Type: Full-time. Design: Drilling rigs are generally larger and more complex, while workover rigs are Aug 29, 2023 · At its core, a workover rig is instrumental in ensuring that wells in natural gas processing sites maintain optimal functionality and safety, adapting to internal and external shifts. Mobile workover rigs are versatile and mounted on trucks, allowing them to move easily between well sites. . Apply to Operator, Floorhand, Crew Supervisor and more! Job Type: Full-time. A typical rig-up would only include the following: Blind/Shear rams. They are only performed if the completion of a well is terminally unsuitable for the job at hand. 12 million in 2023, expected to reach USD 775. Workover Rig is known as the Workover the different types of rigs include the offshore and onshore Rig that range from 150 horsepower to 1000 horsepower. It is a true all in one complex unit. Soilmec Spare Parts Geotechnical Tools Dec 15, 2021 · As a manufacturer of workover rig mud system, Brightway can produce matching vehicle-mounted workover rig mud systems for XJ350, XJ550, XJ750 and other workover rigs. • Fast rig-up times of less than 30 minutes decrease downtime. Ram blowout preventers: types and applications. It discusses the types of workover rigs used, including details on 13 in-house rigs and 2 chartered rigs. Aug 31, 2003 · By definition a rig assist unit is not a stand-alone type unit and operates only in conjunction with the workover rig; HWO units have the ability to perform a major workover on the well, and compete directly with the work that is traditionally performed by conventional workover rigs. These use tech like directional drilling and fracking to reach hard-to-get oil. This PetroKnowledge training course features the types of Completions, Work-overs and well preparation, Surface and Subsurface Well-bore Equipment and Procedures, barriers, work-over fluids, risk awareness and Organizing a Well Control Operation Nov 27, 2023 · This makes them suitable for well control during drilling, completion, and workover operations. 70 Workover Rig jobs available in Wyoming on Indeed. g. FLOOR HAND. With a team of experienced industry veterans and extensive manufacturing and warehouse capacity, we are committed to delivering top-notch solutions to our clients. 00 - $45. Our fleet includes 750 HP truck mounted, fast moving rigs which are ideal for both light and heavy work over campaigns as both rigs are equipped with full edge mud system that can Automation is coming to workover rigs, as it has to so many other types of equipment. 1. Apply to Floorhand, Rig Hand, Rig Manager and more! Control Panel: Provides centralized control over the rig's various functions. smaller well sites than a standard workover rig can access. Once a problem is identified, the Flushby unit can immediately execute the required repair work, with the exception of tubing-based servicing, in which case a workover rig is called in to finish the job. 37 Workover Rigs jobs available on Indeed. Conventional land rigs are built on location and left on site after the well is completed. • High-pull capacity increases the range of well depths the unit can service. Job Type: Full-time. The HWO unit performing workover operations in all operational aspects is a portable workover rig, and standard rig well control procedures are applied. This depth range is considered to be within the capabilities of most workover rigs. Types of Workover Rigs: Land Rigs: Primarily used in onshore oil and gas fields, these rigs are mounted on a stationary base. Consider enrolling in PetroSync’s drilling training programs to further develop your skills and stay ahead in the ever-evolving oil and gas industry. These rigs are fitted with various types of winterization ensuring an adequate temperature in the rig working areas and are developed on the basis of API and GHOST certifications, in compliance with the Technical Regulations of Custom Union TR/CU. At Sophia Oilfield Supply Services, we are committed to providing high-quality workover rigs for sale to meet the diverse needs of the oil and gas industry. They flood the legs with water and submerge them. Workover Rig is available for both onshore as well as offshore Workover purposes at affordable prices. You will also see some examples of rigs in various environments. Our onshore rig portfolio comprises drilling rigs in the hook load range of 60 metric tons (66 short tons) to 907 metric tons (999 short tons) including conventional drilling rigs, either swing lift or slingshot, mobile rigs, automatic hydraulic rigs, the HH series and unconventional play rigs such as the STRIKER-800®. When a well requires maintenance, its production is reduced or stopped for safety reasons and some workover rig must service it within a given The leader in hydraulic workovers. Type of workover operations Standard workover operations – changing beamDIR 5505/2 pumps, sucker rods and tubing, P&A, sand plug removal, special well completion (ESP, downhole pressure gauges, bridge plug setting), cement plug isolation, TCP perforation, dewaxing. Rig BHEL 120 VI of Well Services was successfully refurbished thereby adding a fresh lease of life to the Workover Rig. Annular BOP. Both accidents resulted from improper rig stability, underscoring the persistent failure of oil companies to meet safety standards and prevent these types of incidents. Figure 8 is a schematic drawing of a conventional workover rig showing some of the items discussed below. designed, patented and built the world’s first unit to run or pull pipe under pressure. brainshark. Land-based rigs are designed to drill wells on solid ground. 38 million in 2024, and is projected to grow at a CAGR of 7. Rig capacities are commonly spoken of in terms of depth rating with particular size tubing, usually 2 7/8”. The second type, electric line (E-line), uses a multi-strand wire with insulation that conducts an electrical current downhole. The following section will discuss the primary rig used for conventional workovers, which is the conventional workover rig. Apply to Operator, Floorhand, Rig Manager and more! Job type. Each set of weight indicating system is composed of a JZG deadline anchor, a JZ weight indicator and a JZJ recorder. 00 - $35. They are widely used for various workover operations, including well maintenance and repair. 1, GB3836. The one overriding theme that holds true, regardless of rig type, is that the drilling industry has made big changes in the design and layouts of all rig types to improve safety for the people working on these rigs, safeguard the envi- WORKOVER RIGS!! MW Industries, Inc. Tend to drill in fairly shallow water. KDC operates drilling rigs ranging from 1500 to 3000 HP, and workover rigs from 750 to 1500 HP, covering a wide range of drilling and workover needs for development and deep exploratory wells. Advanced sensors and laser technology are making the upgrades possible, as well. • The unit can be operated by a small crew of three to four people, which enhances safety by limiting risk exposure. The workover begins by removing the well head and possibly the flowline, then lifting the tubing head from the casing hanger thus beginning to pull out the tubing from the completion. As rig technology evolves to accommodate larger, taller rigs in smaller spaces, the focus on operational efficiency often overshadows safety considerations. Fig. 56%, to USD 1,203. The loop in lines 4-8 assigns a well to the last position of each workover rig i = 1,,m. 12 million by 2030. Modularity, small footprint, lightweight design, logistic efficiency, and live well intervention capabilities make HWO a versatile solution both onshore and offshore. Our equipment is designed and manufactured by people who have years of experience using this type of equipment in the field. -Special-environment workover rigs The desert workover rig: - This workover rig is designed and manufactured in accordance with API Spec Q1, 4F, 7k, 8C and technical standards of RP500, GB3826. Oct 27, 2015 · 6. Mar 20, 2024 · However, workover rigs are typically limited to drilling wells up to depths of around 20,000 feet (6,096 meters). 1) Derrick or Mast A service rig, also known as a workover rig, is a type of drilling rig that is used in the oil and gas industry to perform maintenance and repair work on existing oil and gas wells. The types of wells that workover rigs can drill are diverse and can be categorized into different classes based on their purpose and characteristics. Dec 1, 2024 · Workover Rigs Market by Types (Barge Rigs, Jack ups Rigs, Platform Rigs), Capacity (1,000-1,500 HP, Above 1,500 HP, Below 1,000 HP), Form, Application - Global Forecast 2025-2030 - The Workover Rigs Market was valued at USD 722. Workover Rigs: Utilize advanced well stimulation techniques to enhance oil recovery. 2. Feb 1, 2023 · Each well has its characteristics and properties, which usually require a specific type of workover rig to serve it (Fernández Pérez et al. Apr 2, 2024 · The primary well control is the kill fluid or mechanical plugging of the well. The main types of mobile rigs include: Jack-up Rigs: These rigs have legs that can be lowered to the seabed, providing stability during drilling operations. Brine) into the well whose weight is appropriate to control the formation pressure. Our comprehensive inventory includes both new and used workover rigs, ensuring we have the ideal solution for any project, whether it’s routine well maintenance or complex workover A drilling rig is an integrated system that drills wells, such as oil or water wells, hence there are different types of auger drills. Jun 7, 2023 · 4 Types of Onshore Drilling Rigs. Geople x fleet of rigs range from 200 HP to 3000 HP and offer drilling and workover capabilities for all type of wells. Jan 12, 2023 · Following up on our previous newsletter, this article further explores the usage, advantages and different types of HWUs (Hydraulic Workover Units) available. Jack-up About Well Service & Workover Rigs. 00 per hour. Jul 19, 2023 · Purpose: Service rigs, also known as workover rigs or well servicing rigs, are used for maintenance, repair, and enhancement activities on existing wells. Jan 28, 2020 · Land rigs are designed based on portability and maximum operating depth and are divided into two main categories: conventional rigs and mobile rigs. Features 1. 1. mme ehq gptk zvylnpu zgqcprl soxi rbnhs lywfyeijk uyhzkje lhbrczab