The Completion Experiment & Testing Center of CNOOC Oilfield Services is located at No. 450 Huashan Road, Ocean High-Tech Development Zone, Tianjin Binhai New Area, with a floor area of 10,000 square meters. It has a total of 20 sets of experimental equipment and a laboratory investment of 150 million yuan. It is a leading multi-functional and comprehensive tool R&D and testing platform in China, with the ability to perform multi-parameter, full-scale, and full-process functional testing and simulation experiments on downhole tools. The business scope includes out-of-plant testing, functional testing, design verification testing, and performance evaluation of various ultra-high temperature and pressure completion tools.

The inspection and testing of the safety valve, isolation packer, bridge plug, completion accessories, and metal materials have obtained accreditation certificates from the China National Accreditation Service for Conformity Assessment (CNAS). It is a milestone marking the experimental platform's formal entry into the ranks of nationally recognized standard laboratories and its hardware capabilities, management levels, and technical abilities for precise testing and experimentation being in line with international standards.

·High Grade Subsurface Safety Valve Function Testing Equipment

Main features:

·According to the highest design confirmation level Vl-H standard of APl 14A;

·Functional evaluation of downhole safety valves can be carried out under the load of temperature, pressure, and axial load;

·Capable of detecting high temperature, high pressure at hydrostatic condition, gas, water, mud and other flow rates, as well as detecting liquid and gas leaks;

·Meets the testing requirements specified in Appendix B, C, D, G, J, and L of API 14A;

·The equipment mainly consists of heating and cooling systems, water/oil/gas boosting systems, flow testing systems, axial loading machine systems, etc.

Main parameters：

High Grade Packer Functional Test Equipment

Main features:

·According to the highest tier in VO-H standard of API 11D1;

·Capable of simulating the entire process of downhole tools such as packer insertion, insertion, unsealing, and extraction under specified temperature, axial load, and pressure conditions;

·Meets the functional testing requirements of V6~VO level packers;

·The first domestic application of vacuum leak detection technology to zero gas leak detection, with high detection accuracy;

·It can achieve qualitative detection of zero gas leakage and quantitative detection of gas leakage.

Main Parameters：

·Sand Screen Anti-Burst & Collapse Pressure Performance Testing Equipment

Main features:

·Capable of applying torsional loads to completion tools, sand control screens, etc;

·Simulate the actual torsional load of oil well tubing and completion tools underground;

·Evaluate the anti torsion performance of oil casing, completion tools, and screen pipes;

·The equipment is installed with auxiliary devices such as clamping devices for testing workpieces, safety protection devices, high-precision data acquisition and recording modules, etc.

Main Parameters：

·Packer External Flow Testing Equipment

Main features:

·According to Appendix D of APL11D1, external flow test requirements;

·Can simulate the process of unsealed packers or bridge plugs being lifted and lowered in the wellbore, as well as the wellbore conditions in circulating fluid;

·Used to analyze the impact of bidirectional fluid flow in the wellbore on the performance of the packer;

·Provide technical basis for the on-site application of packers.

Main Parameters：

·Underground tool shallow wellbore function testing equipment

Main features:

·Capable of applying torsional loads to completion tools, sand control screens, etc;

·Simulate the actual torsional load of oil well casing and completion tools underground;

·Evaluate the anti torsion performance of oil casing, completion tools, and screen pipes;

·The equipment is installed with auxiliary devices such as clamping devices for testing workpieces, safety protection devices, high-precision data acquisition and recording modules, etc.

Main Parameters：

·General mechanical performance testing equipment

·Mechanical performance testing

Main features:

·The experimental equipment consists of axial load system, bending system, torsion system, computer control system, etc;

·Capable of applying axial tensile, compressive, bending, torsional or composite loads to downhole tools and sand control screens;

·Simulate the actual working load of sand control screen and completion tools underground;

·Meets the requirements of mechanical performance testing such as tension, compression, bending, and torsion of downhole tools and sand control screen pipes.

Main Parameters：

·Anti torsion performance testing equipment

Main features:

·Capable of applying torsional loads to completion tools, sand control screens, etc;

·Simulate the actual torsional load of oil well tubing and completion tools underground;

·Evaluate the anti torsion performance of oil casing, completion tools, and screen pipes;

·The equipment is equipped with clamping devices for testing workpieces, safety protection devices, high-precision data acquisition and recording modules, and other auxiliary devices.

Main Parameters：

·Calibration test system for underground water injection tools

Main features:

·This system belongs to the single-phase flow calibration system and can implement tools for different flow meters such as ultrasonic flow meters, electromagnetic flow meters, differential pressure flow meters, etc;

·Tools such as concentric meters, eccentric meters, and intelligent water distributors are used for pressure and flow calibration testing, and can achieve flow meter coefficient calibration and error bridging;

·System composition: including circulating pump station, test pipeline, steady flow tank, test wellbore, standard flowmeter, metering tank, electric control valve, and measurement control system.

Main Parameters：

·High level underground gas lift valve function testing equipment

Main features:

·According to the APL19G2Vl standard, meet the testing requirements specified in Appendix B, F, H, I, J, K, L, and M;

·Equipment component: gas pressure control system, probe ranging system, gas flow testing system, water pressure testing system, switch pressure testing system, constant temperature water bath, liquid erosion testing system, data acquisition and monitoring system, strain gauge testing system, etc.

Main Parameters：

·vibration test

Main features:

·Capable of conducting vibration testing on PCBs to verify their strength under vibration conditions, the firmness of electronic component soldering, communication status, and functional implementation.

Main Parameters：