Indoor drilling simulation device in multi-factor environment and evaluation method

A simulation device and multi-factor technology, applied in the direction of earthwork drilling, measurement, borehole/well components, etc., can solve the problems of inability to simulate the force of rock formation, incapability of real reflection, inapplicability to deviated well sections, etc., and achieve test cost The effect of reducing and saving verification time and shortening R&D time

Active Publication Date: 2018-12-07
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

However, it can only simulate the confining pressure on the formation, that is, the formation pressure, and cannot simulate the forces in other directions on the rock formation and the drilling fluid circulation pressure. The artificial simulated core used cannot truly represent the rea...

Method used

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  • Indoor drilling simulation device in multi-factor environment and evaluation method
  • Indoor drilling simulation device in multi-factor environment and evaluation method
  • Indoor drilling simulation device in multi-factor environment and evaluation method

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Embodiment Construction

[0060] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0061] The invention can simulate the actual drilling process in the laboratory, and can conduct repeated drilling tests on the same rock sample under certain parameters such as temperature, pressure, and drill bit type, and test the impact of different drilling fluid treatment agents and system formulas on the drilling efficiency. and the influence law of bottom-hole cleaning effect. Such as figure 1 As shown, the device mainly includes the following parts: (1) core clamping system; (2) bottom hole circulation system; (3) overlying pressure system; (4) formation pressure system; (5) drilling pressure simulation system; 6) Rotary drive system; (7) Drilling depth measurement system; (8) Automatic control and data acquisition system 1.

[0062] The core clamping system is a sealing device for clamping cylindrical rock samples, which can apply confining pressure and ov...

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Abstract

The invention provides an indoor drilling simulation device in a multi-factor environment and an evaluation method, and belongs to the technical field of influences of drilling fluid treatment agentsand drilling fluid systems on the drilling speed in drilling engineering. The indoor drilling simulation device comprises a rock core clamping system, a shaft bottom circulating system, an overburdenpressure system, a formation pressure system, a drilling pressure simulation system, a rotary driving system, a drilling depth measuring system and an automatic control and data acquisition system. The rock core clamping system is a sealing device for clamping rock cores and is used for simulating the downhole pressure and the temperature environment. The shaft bottom circulating system, the overburden pressure system, the formation pressure system, the drilling pressure simulation system and the rotary driving system are connected with the rock core clamping system through pipelines. The drilling depth measuring system is connected with the drilling pressure simulation system. The automatic control and data acquisition system is connected with the rock core clamping system, the shaft bottom circulating system, the overburden pressure system, the formation pressure system, the drilling pressure simulation system, the rotary driving system and the drilling depth measuring system throughcircuits.

Description

technical field [0001] The invention belongs to the technical field of the influence of drilling fluid treatment agent and drilling fluid system on drilling speed in drilling engineering, and specifically relates to an indoor drilling simulation device and evaluation method in a multi-factor environment, which is used for simulating During the drilling process, the speed, drilling pressure, overburden pressure, formation pressure, bottom hole circulation pressure and other multi-factor condition parameters that affect drilling, and the test to evaluate the impact of different drilling fluid treatment agents and drilling fluid systems on the drilling speed and bottom hole cleaning effect . Background technique [0002] With the progress of oil exploration and development, the drilled formations are getting deeper and more complicated, and the drilling speed of the well type is getting slower and slower. Increasing the speed and efficiency is an important task at present and i...

Claims

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Application Information

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IPC IPC(8): E21B47/00
CPCE21B47/00
Inventor 王海波钱晓琳孔勇徐江林永学宣扬张凤英高伟
Owner CHINA PETROLEUM & CHEM CORP
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