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Drilling liquid fixing and control system and control technology thereof

A solid control system and drilling fluid technology, applied in construction and other directions, can solve the problems of reducing drilling speed, increasing drilling cost, increasing lost circulation, etc., and achieving the effects of simple processing steps, high processing efficiency, and reduced processing costs.

Inactive Publication Date: 2013-05-08
蒋仁斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These changes in performance will significantly reduce the rate of penetration, increase the amount of drill bits, and may even increase lost circulation, gas invasion, and stuck pipe, which will greatly increase the drilling cost.

Method used

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  • Drilling liquid fixing and control system and control technology thereof

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Embodiment

[0029] Such as figure 1 As shown, the drilling fluid solids control system involved in the present invention is mainly composed of a tank body, and a desander 2, a desilter 3 and a centrifuge 4 installed on the tank body. The tank body is provided with mud Import 5.

[0030] The tank body is mainly composed of a grit chamber 6 , a No. 2 tank 7 , a No. 3 tank 8 , and a suction tank 9 .

[0031] The desander 2 communicates with the grit chamber 6 and the No. 2 tank 7 respectively.

[0032] The desilter 3 communicates with the No. 2 tank 7 and the No. 3 tank 8 respectively.

[0033] The centrifuge 4 communicates with the No. 3 tank 8 and the suction tank 9 respectively.

[0034] A degasser 10 is also provided inside the tank, and the two ends of the degasser 10 are respectively arranged in the grit chamber 6 and the No. 2 tank 7 .

[0035] The control process of the present invention is: the mud first enters the tank body from the mud inlet 5, and after being processed by the...

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Abstract

The invention discloses a drilling liquid fixing and control system which mainly comprises a tank body and a sand remover (2), a mud remover (3) and a centrifugal separator (4) which are arranged on the tank body, wherein a slurry inlet (5) penetrates through the tank body. The invention also discloses a control technology based on the drilling liquid fixing and control system. The drilling liquid fixing and control system can finish solid phase control of slurry and is high in treatment efficiency; the treatment steps are simple; the slurry treatment cost is greatly reduced; and basis is supplied to recycling of the slurry during drilling.

Description

technical field [0001] The invention relates to a drilling fluid solid control system and its control technology. Background technique [0002] Mud technology has become an important part of modern oil and gas drilling engineering. A large number of research data at home and abroad show that the mud has the functions of carrying and suspending cuttings, stabilizing the well wall and balancing the formation pressure, cooling and lubricating the drill bit, drilling tools and transmitting hydraulic power during the drilling process, which are directly related to the drilling cost and even affect the success of the drilling. important role. Drilling practice has also proved that the quality of mud performance, whether the use, maintenance and treatment measures are appropriate, directly affect the stability of the well wall, and the stability of the well wall is related to the acquisition of geological data, drilling speed, quality and cost. Therefore, Mud is often compared to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B21/01
Inventor 蒋仁斌
Owner 蒋仁斌