Robinson
New Member
Posts: 11
Status: Offline
Joined:
pm | | Rotary Steering System Competition of "Drilling" F (10th Jan 23 at 2:26am UTC) | | Original Title: Rotary Steering System Competition of "Drilling" Five Oil Services (I) This paper introduces the recent development of the steerable rotor technology, with the help of experts from Nabors Drilling Solutions, NOV, Halliburton, Schlumberger and Baker Hughes. From | E & P Compiler | Da'an Grape (for more cutting-edge technology or technical cooperation in the industry, please pay attention to the official account: Petroleum Circle) ................................................................................................ There is one main goal in the development of rotary steering technology today: to drill high quality boreholes at low cost. Some service companies reduce costs by developing more durable drilling tools to extend the drilling time in harsh environments, while others reduce costs by removing some secondary functions. At the same time, some companies are looking to use real-time monitoring and data analysis to improve penetration rates without damaging vibrations. Many oil service companies are also studying rotary steering drilling technology, expecting to integrate their own drilling equipment, related software and control equipment. No matter what measures are taken to reduce drilling costs, all companies are trying to increase the rate of penetration and reduce the downtime so that they can get a greater return on investment under the pressure of cost. However, there is some pressure on rotary steerable drilling technology providers, which is also the direction that service providers have been striving for since the downturn of the industry, that is, to provide the best value rotary steerable technology. This paper introduces the recent development of the steerable rotor technology, with the help of experts from Nabors Drilling Solutions, NOV, Halliburton, Schlumberger and Baker Hughes. Rotary Steering Technology Highlights (1) Rotary steering technology and integrated processing of drilling platform and software make new changes in drilling workflow and reduce drilling costs. (2) Mechanical modification alone can not alleviate the problem of drilling vibration. Rotary steering technology combined with real-time simulation and measurement system can identify the deviation in drilling. Expand the full text (3) Further reduce drilling costs by improving the wear resistance of drilling tools and eliminating unnecessary sensors. Nabors Improves Drilling Workflows Through Integration The integrated processing of rotary steerable system and drilling platform and software has updated the drilling workflow and realized low-cost drilling. By placing tools in the wellbore, Nabor will soon introduce a new rotary steerable system, which can be used on third-party drilling platforms or directly with the company's Directional-Ready drilling platforms. It includes integrated equipment and instruments to make measurements more realistic and drill accurately to the target layer of long horizontal sections. Nabors' RigWatch Navigator software enables 3D visualization of the design and actual drilling of the wellbore. The driller can see the drilling target and the position of the drill bit from the target. Nabors has test-drilled a number of wells in Norway using the new rotary steerable technology and is currently testing the technology on its own platform in the Okla Catoosa area. Since 2014, the company has been developing new rotary steering technology to achieve a 15ยบ/100ft kick-off rate. The system is not a push-pull and directional system, but a continuous directional control technology. The rotary steering system includes a near-bit tilt device, a directional sensor and a downhole closed-loop control module. The near-bit sensor feeds back drilling data directly to the surface and automatically adjusts to ensure that the orientation device is in the right position at high penetration rates.
To reduce wear and reduce tool maintenance, Nabors designed the rotary steerable system without an external slider, which is powered by a turbine instead of a battery, down the hole bit , preventing the tool from having to be removed when the battery is replaced. The rotary steerable system was shipped to the well site in advance and connected with the company's patented instrumentation, equipment monitoring and data acquisition software in advance, making it easy for drillers to run in the well. Nabors has developed a software application system to optimize the rotary steering performance. The REVit software can be used in any rotary steering system to reduce the stick-slip vibration problem during the drilling process and alleviate the damage to the drill string resonance, which can reduce the penetration rate and affect the drilling trajectory due to MWD and bit damage. Based on the abnormal resonance induction of the drill string on the top drive accelerator, our control software will eliminate or destroy the drill string vibration by controlling the movement of the hollow shaft, thus weakening the high torque on the drill string and the weight on the bit at a certain speed. Eliminating the stick-slip vibration can prolong the life of the bit and reduce the non-production time. Nabors' RigWatch system allows contractors to monitor rotary steerable system operations from the RigLine's 24x7 remote operations center in Houston and, with one directional driller, supervise four or five rig floor operations and provide professional guidance to drillers at the well site. This allows experienced drillers to remotely monitor multiple well drilling operations at the same time, which helps contractors to scale up operations, and allows competent people to manage multiple drill floors at the same time, which will also alleviate the human resources problems caused by upgrading. VectorEDGE at NOV Although the sensors on the rotary steerable system can provide the data needed to control the steering operation, it also means an increase in cost, and contractors may not need such equipment when working in the horizontal section that is easy to drill onshore. Aware of this, NOV developed a targeted rotary steerable system for unconventional well drilling, the VectorEDGE system, which eliminates near-bit sensors and built-in MWD devices, cutting the cost of the rotary steerable system in half. VectorEDGE receives the down command by rotating the drill pipe instead of hydraulic mud. The system downlink command has been tested to 27000 feet. The directional driller inputs the tool face and aggressive parameters to the software, and then informs the driller how to adjust the drill pipe speed to send a new steering command. NOV's rotary steerable system has minimal interaction with the rig floor. The tool has a closed-loop trajectory feature that automatically adjusts its aggressiveness based on sensor data to match directional operations. That is to say, it is automatic to complete the command, and it is not necessary to continuously send the steering command and the down command to the downhole drilling tool, but it is necessary to send the down command when the drilling design is adjusted or the formation characteristics are changed. Sending the down command is accomplished by rotating the drill pipe, which is more reliable than hydraulic mud. The VectorEDGE Rotary Steerable System down command has been tested to 27000 feet. The directional driller inputs the tool face and aggressive parameters to the software, and then informs the driller how to adjust the drill pipe speed to send a new steering command. Although the tool does not have a built-in MWD system, NOV has designed it to be compatible with any mud pulse or electromagnetic telemetry MWD system in case it is used by future operators or directional drilling companies. It is also possible to connect the tool to the motor in case the operator wants to increase the ROP by increasing the RPM. NOV began designing the VectorEDGE rotary steerable system in 2012. Major testing of the equipment, including some of the test programs conducted at the NOV pilot rig in Navasota, Texas, was completed in 2014 and 2015. Trials in the West Texas and Northeast US fields have been ongoing since 2016, and early test results indicate that the steering system, in conjunction with NOV's drill bits and motors, is comparable to or even superior to other rotary steering systems on the market.
The company plans to commercialize the VectorEDGE rotary steerable system by the end of 2017. Do you also have a head-scratching problem to solve,Mining Drilling Equipment, or do you want to find an application market for high-quality technology? If so, welcome to contact Xiaobian, maybe you can find a good medicine. Arya: 131-3255-0596; zhanglingyu@fonchan.com. Da'an: 131-3203-1392; lishian@fonchan.com back to Sohu to see more Responsible Editor:. wt-dthtools.com | |
|
