Industry News
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Directional Drilling Technology；Drill Pipe；Drill Cuttings
Directional drilling technology is an advanced drilling method that employs specialised downhole tools and measurement control techniques to extend the drilling trajectory along a pre-designed (non-vertical) path to the target formation. The essence of directional drilling lies in activel...Read more -
Well Repair Tools | Drilling, Milling & Grinding Tools | Concave Mill Shoe
1. Application The concave mill shoe is a well repair tool used for grinding small downhole fish and other unstable fish inside the casing. 2. Structure It consists of a mill shoe body with a concave angle of 5°~30° on the bottom surface, and YD alloy or other wear-resistant materials deposited (...Read more -
Tubular String Fishing Tool — Box Tap
A box tap is a specialized tool designed for thread-milling fishing operations on the outer wall of tubular fish. 01 Structure Long cylindrical integral structure, composed of a sub and a body (which has fishing threads on its inner conical surface). The box tap is made of high-strength alloy st...Read more -
Drill Bit Types
1. Tricone Drill Bits: Rolling cutter bits (or rotary cone bits) have their cutting elements arranged on cones that rotate around their axes as the bit body spins. The number of cones on a bit can be 1, 2, 3, 4, 5, or 6. However, the most common rotary cone bits are tri-cone bits. Approximately 9...Read more -
Wellhead Equipment Installation Procedure and Precautions
Wellhead Valve Operation Precautions Caution must be exercised when opening or closing the valve. Some types of valves are equipped with a shear pin between the handle and the valve stem; if excessive force is applied, the shear pin will break automatically to protect the valve’s in...Read more -
Why tungsten price surging will bring challenges for the drilling industry ?
Tungsten prices have risen by over 200% year-to-date in late 2025, reaching a nearly two-decade high due to a severe supply crunch and surging demand. Tungsten (primarily tungsten carbide) is critical for drill bits,milling tools, wear-resistant parts/tools, and weighting materials in drilling. ...Read more -
API New Drill Pipe Types and Structural Parameters
API Drill Pipe Thread Types: The Ultimate Guide to Drilling Connections In the drilling industry, every component plays a vital role in the success of operations. Among the most critical are API drill pipe thread types—these unsung components ensure the smooth transmission of downhole power and f...Read more -
Downhole Tools
1.Completion packers 5 series of 21 packers have been developed in the past 15 years to meet the demand of field operations, including mechanically-set retrievable packers, hydraulically-set retrievable packers, releasable retrievable packers and big bore hanging packers. The packers are chosen i...Read more -
Casing Head: The Lifeblood Connecting the Surface to the Subsurface
The cornerstone of load-bearing and pressure conversion hub for the entire wellhead equipment—the casing head. Today, we focus on this crucial component to uncover how this “lifeblood connecting the surface to the subsurface” ensures absolute safety from the surface to the formation. ...Read more -
Driller’s Technical Knowledge – 4 丨 Six Major Wellhead Tools for Drilling + Practical Operation Methods and Precautions for Eight Major Drilling Equipment Systems
Wellhead Tools I. Elevator ApplicationThe elevator is used to lift and lower drilling tools during tripping operations (e.g., tripping with double elevators), seat the drilling tools on the rotary table, and make up stands during drilling. ClassificationThere are side-opening double-safe type, s...Read more -
Understanding Packer Grades V6 to V0 (Part 2): Decoding the Classification of Downhole “Sealing Guardians” from the API 11D1 Standard
In the subsurface defense line of oil and gas production, packers are core equipment that prevent crossflow of formation fluids and ensure wellbore safety. However, sealing performance requirements vary drastically across different well conditions: shallow conventional wells only need basic seali...Read more -
Junk Basket for Wellbore Clean Tools
A Junk Basket is a critical downhole tool used in drilling, workover, and completion operations to collect and retrieve unwanted debris and junk from the bottom of a wellbore. Key Functions & Features: Purpose: Its primary function is to clean the wellbore by capturing metal chips, rubber pie...Read more
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