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Basic Knowledge Points of API 6A Wellhead Equipment and Christmas Tree (Collector’s Edition)！！！
What are the functions of wellhead equipment and christmas trees? Wellhead equipment refers to christmas trees, tubing heads, casing heads and related accessories, which are oil production equipment used for suspending, supporting, controlling, regulating, etc. As key equipment in oil and gas...Read more -
Drilling Safety Is No Trivial Matter! 4 Latest Q&As on Drilling Practical Technology – Check It Out Now!
Details determine success or failure, especially in the drilling industry. Oil drilling is a high-risk and complex operation, and every operational procedure is crucial to the safety and success of the entire drilling work. As key technical personnel on the drilling site, drillers’ operatio...Read more -
What is the difference of Cast Iron Bridge Plug,Composite Bridge Plug and Dissolvable Bridge Plug ?
Detailed Explanations 1. Cast Iron Bridge Plug (The Traditional Workhorse) What it is: The original and most permanent type of bridge plug. It’s constructed from cast iron and other steel components. How it works: It is set in the casing using a wireline, tubing, or coil tubing. A slip-wed...Read more -
Drilling and Production Technology | What Are Drilling Speed – Increasing Tools? How to Effectively Improve Drilling Efficiency and Reduce Costs?
1 High – Temperature Resistant Equal – Wall Thickness Screw Drilling Speed – Increasing Technology The high – temperature resistant equal – wall thickness screw is a speed – increasing tool specially designed to meet the needs of high performance and high relia...Read more -
XI’AN LANDRILL OIL TOOLS CO.,LTD Attends NAPEC in Algeria to Deepen International Cooperation in Drilling Tools
Recently, XI’AN LANDRILL OIL TOOLS CO.,LTD was invited to participate in the Algeria International Oil and Gas Exhibition (NAPEC). As a highly influential professional exhibition in the North African oil and gas industry chain, NAPEC brings together global oil and gas enterprises, focusing ...Read more -
Conventional Directional Drilling Tools
Three issues to be addressed in wellbore trajectory control: ① Reasonably design the bottom hole assembly (BHA) to control the rate of change of the hole deviation angle. ② Reasonably design or select downhole tools with special structures to control the rate of change of the hole azimuth angle. ...Read more -
Chinese National Day Holiday Service Notice
Dear Clients, Please be advised that our company will be observing the National Day holiday from October 1st to October 8th. For any urgent matters during this period, please contact us by email at service@landrilltools.com and we will get back to you as soon as possible. We appreciate your under...Read more -
How to Prevent Drill String Sticking (Lost Weight on Bit) in Drilling？
The term “lost weight on bit” (LWB) refers to a scenario during drilling where the designed weight on bit (WOB) fails to act on the drill bit. Instead, due to excessive friction between the downhole drill string and the wellbore wall, all the applied weight is absorbed by the drill st...Read more -
LANDRILL OIL LANDRILL to Showcase New Dissolvable Bridge Plugs and Wellbore Cleaning Tools at NAPEC 2025
XI’AN, China – Xi’an Landrill Oil Tools Co., Ltd., a leading supplier of oilfield equipment and technology, is pleased to announce its participation at the 13th North Africa Petroleum Exhibition & Conference (NAPEC 2025) in CCO Oran, Algeria from October 6-8, 2025. We cordially in...Read more -
Key Downhole Tools: A Comprehensive Guide to the Classification and Application of Roller Cone Bits and Diamond Bits
01 Roller Cone Bits: Versatile Tools for Adapting to Formations Since their advent in 1909, roller cone bits have become the most widely used bit type in rotary drilling. Their unique multi-cone structural design enables them to adapt to various formation conditions, from soft to extremely hard. ...Read more -
What is FOSV?
Full-Open Safety Valve (for Drilling Operations): This is a manually controlled downhole valve used in drilling operations. It is operated via a dedicated wrench and serves as a blowout prevention measure by being connected between drill pipes. Commonly Used Full-Lift Safety Valve: This type refe...Read more -
What Role Does the Oil Drill Pipe Play in Oil Wells?
In oil and gas drilling operations, the oil drill pipe is a core downhole component that connects the surface drilling rig to the downhole drill bit. Its performance directly determines the efficiency, safety, and success of well construction. 1.Drilling Through Formations The oil drill pi...Read more
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