Managed Pressure Drilling Technical Service

The Company established the Managed Pressure Drilling Project Department in 2022, dedicated to researching and applying advanced managed pressure drilling and completion technologies. The aim is to effectively address drilling challenges such as pressure-sensitive formations, complex formations prone to influx and leakage, and narrow density window formations. By doing so, the company seeks to lower drilling costs and reduce operational risks for its clients.

Fine Managed Pressure

Eliminate the influence of circulating pressure on bottom hole pressure

Control the fluctuation amplitude of bottom hole pressure

Quickly and accurately adjust downhole environmental control pressure

Service Advantages:

Ø The advanced fine control techniques include 9 operating conditions, 4 control modes, and 13 emergency transition modes. These techniques enable the implementation of managed pressure drilling processes tailored to different requirements, including underbalanced drilling, near-balanced drilling, and overbalanced drilling.

The rated pressure of the automatic throttling system reaches 35 MPa, and the pressure control accuracy reaches 0.2 MPa;
The pressure compensation capability of the backpressure compensation system reaches a maximum output pressure of 12.5 MPa, with a displacement of 12 L/s;
The high-precision mass flowmeter is capable of measuring medium temperatures up to +200°C, process pressures up to 100 bar, and mass flow rates up to 350 t/h;
The automatic control system adopts the FF digital bus and is equipped with features such as operating condition adaptability and online self-diagnosis. It has a response speed of milliseconds;
The high-precision hydraulic calculation software reaches an advanced level among similar software, with a calculation accuracy of 0.1 MPa;
The advanced fine control techniques include 9 operating conditions, 4 control modes, and 13 emergency transition modes. These techniques enable the implementation of managed pressure drilling processes tailored to different requirements, including underbalanced drilling, near-balanced drilling, and overbalanced drilling

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Managed Pressure Drilling Technical Service