It is non-magnetic bottom hole stabilizers that serve as indispensable components, positioned in proximity to the drill bit for directional drilling, MWD/LWD operations, and workflows in complex formations. They fulfill multiple pivotal functionalities: A non-magnetic environment within the bottom hole assembly (BHA) is established by these stabilizers. By safeguarding the MWD/LWD sensors closest to the drill bit against magnetic interference, they ensure the accuracy of real-time data pertaining to well trajectory, bit position, and formation lithology. Furthermore, mechanical stabilization for the drill bit and lower drill string is furnished by them through maintaining consistent contact with the wellbore wall near the bottom hole. This action alleviates detrimental vibrations, bit wobble, and eccentric movement-extending bit lifespan and boosting overall wellbore quality. For directional and horizontal wells, they actively assist in steering the drill bit along its preset path. Such guidance curtails directional drift in the bottom hole vicinity, enabling precise entry into the target reservoir zone. Last but not least, engineered to endure extreme downhole conditions-high temperature, torque, abrasion, and pressure included-integral to their design are a sturdy build and hardened surfaces. This durability underpins prolonged drilling operations in hard or fractured formations.
We are capable of producing a variety of standard-grade products and providing customized services based on demand. Reference data for some models are as follows:
The products are manufactured in full compliance with API 7-1 and ISO 9001 standards. With our complete testing equipment, we can provide product certification and supporting test data.
It is non-magnetic bottom hole stabilizers that are extensively employed in bottom hole assembly operations demanding high-precision measurement, drill bit stability, and trajectory control, finding primary utility across the following domains:
Directional/horizontal oil and gas wells: They steady the drill bit at the bottom hole, curbing magnetic disruption to near-bit MWD tools and underpinning accurate trajectory control for accessing thin target pay zones.
Deep/ultra-deep wells: Enduring high downhole pressure and temperature, they uphold BHA stability in hard carbonate formations while minimizing drill bit wear and tear.
Unconventional oil and gas development (shale oil/gas): Acclimating to abrasive shale formations at the bottom hole, they dampen drill string vibration and boost the drilling efficiency of horizontal intervals.
Coalbed methane (CBM) directional drilling: Within bottom holes of soft coal seams, they stabilize the drill bit, fending off borehole collapse and ensuring precise positioning of gas drainage boreholes free from magnetic disruption.
Mine roadway bottom hole drilling: Guiding the drill bit away from hard rock interlayers at the bottom hole, they lower tool abrasion and enhance drilling efficiency in coal mine roadways.
Since 2009, SHANXI ZHONGHE has specialized in the development and production of non-magnetic drilling tools. We maintain complete control over the entire manufacturing process, which includes the smelting, forging, and machining of non-magnetic materials. With strict quality control implemented at every stage, each individual product undergoes thorough inspection throughout the production process.We strictly adhere to the American Petroleum Institute (API) standards and primarily utilize materials graded P530, P550, and P650 in our manufacturing processes.
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