Industry Updates and Technical Resources

High-Pressure Drilling Fluid Manifold Introduces the composition and function of High-Pressure Drilling Fluid Manifold, including gate-valve assemblies, Slab Gate Valve, Hammer Union, high-pressure hoses and rotary hoses. New Union Connector Structure for Cementing-Truck Swivel Joints Introduces a new union connector structure for swivel joints used on cementing trucks and mobile pump units, including sealing features, field-test results and batch application. Improvement of 40 MPa Swivel Joint Sealing Technology Analyzes the causes of low-pressure washout leakage in 40 MPa swivel joints and introduces the sealing-structure improvement achieved by adding an elastic preloading element. Burst Failure Analysis of Fracturing-Truck Swivel Joints Failure analysis of a fracturing-truck swivel joint, covering inspection results, macroscopic examination, metallographic examination, SEM observation, result analysis and the conclusion that the burst failure was stress corrosion cracking. Process Routes for Extending Swivel Joint Body Service Life Through technical analysis of swivel joint body service conditions and failure causes, this article identifies the internal factors causing short service life and proposes structural and process improvements without affecting service performance. Forging Process for Fracturing-Manifold Swivel Joint Blanks Manufacturing process for forged swivel joint blanks used in fracturing manifolds: turning the through-bore blank, filling the inner bore with sand, heating, hot bending and forging, sand removal, and quenching and tempering. Formation Testing Tools / Formation Testers Explains the purpose, structure, operating principle and performance requirements of formation testing tools. Flowing Wellhead Equipment / Casing Head / Tubing Head / Oil and Gas Production Wellhead Equipment Flowing wellhead equipment is generally composed of casing head, tubing head and the oil or gas production wellhead body. This article covers casing heads and tubing heads, downhole safety valves, oil production wellhead equipment, gas production wellhead equipment, and wellhead equipment series and specifications. Well-Control Equipment - Wellhead Equipment Introduces well control equipment, wellhead model designations, tubing heads, casing heads and Christmas tree structures. Annular BOP / Ram BOP / Rotating BOP / Shear Ram BOP Blowout preventers are essential well-control devices for downhole operations and play an important role in preventing and handling blowouts. This article covers classification, technical parameters, structure, working principles, maintenance and related topics. Choke Manifold and Kill Manifold Choke Manifold and Kill Manifold are special well-control manifolds composed of Choke Valve, Slab Gate Valve, Check Valve, manifold piping and pressure gauges. They control annulus flow discharge, well back pressure, and kill operations. Research on High-Pressure Flow Control Components and Manifolds Reviews technical background, engineering value and research topics for high-pressure flow control components and manifolds. Brief Structural Analysis of Swivel Joint Discusses swivel joint structure and the requirements placed on bearings and sealing rings during cementing and hydraulic fracturing. Fatigue Crack Growth Life Analysis of High-Pressure Manifolds Analyzes subcritical fatigue crack growth and service-life factors in high-pressure manifolds. Conclusions, Recommendations and Outlook for High-Pressure Manifolds Summarizes stress distribution, design recommendations and future improvement directions for high-pressure manifolds. Fracturing Equipment Introduces fracturing trucks, blending units, manifold trucks, sand carriers, instrument trucks and other supporting equipment. Causes of Washout Failure in Style 10 and Style 80 Rotary Unions Analyzes washout penetration caused by chamfer steps, 90-degree bends and quartz-sand erosion, with material checks and design improvements. Trial Manufacture of the GH-700 Manifold Introduces technical parameters, structural performance and main components from the trial manufacture of the GH-700 manifold. 700 kg/cm2 Fracturing Manifold Reviews development and trial production of a 700 kg/cm2 fracturing manifold and proposes further design improvements. 2023 API Audit and Follow-Up Review Minutes Summarizes API audit findings, cause analysis, corrective actions, preventive actions and follow-up review items. 2 in 105 MPa Swivel Joint Technical Data Technical data covering main parameters, inspection basis, hydrostatic strength and sealing tests, connection thread, material properties, NDT, appearance, marking and accompanying documents. 2 in x 2 in 105 MPa Plug Valve Technical Data Covers hydrostatic strength, seat sealing, bore gauge, connection thread, material properties, NDT and marking requirements. Well Test Flowhead Operation Manual Covers application, design points, model parameters, connection threads, operating temperature, tightening torque and maintenance.