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Shale gas resource/reserve measurement method

A measurement method and resource quantity technology, applied in geophysical measurement, instruments, etc., can solve the problems of no resources/reserves classification standards and measurement methods, so as to promote rational utilization, clarify resource potential and economic benefits, and promote international exchanges Effect

Inactive Publication Date: 2012-10-03
RES INST OF SHAANXI YANCHANG PETROLEUM GRP
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Problems solved by technology

Domestic shale gas exploration is still in its infancy, and there is no general resource / reserve classification standard and measurement method

Method used

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  • Shale gas resource/reserve measurement method
  • Shale gas resource/reserve measurement method
  • Shale gas resource/reserve measurement method

Examples

Experimental program
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Embodiment 1

[0154] In a block in the southeast of the Yi-Shan slope, a total of 13 shale gas parameter wells and evaluation wells have been drilled in this block. Ping XX well and Yan XX well are extrapolated by 1.5km as the boundary, and the western part is bounded by the boundary of mining rights, with a delineated area of ​​128km 2 The second-order structural unit in this area belongs to the Yishan slope. The Triassic Yanchang Formation is a large-scale wide and gentle monocline dipping westward as a whole, with a small slope drop and simple structure. Thick in the northeast and thin in the north, the thickness of the shale in the southern part is 80m, the thinnest in the northern part is 50m, and the average thickness is 60m; the shale gas parameter well in this area is shown by the field desorption test of well YanXX, and the gas content is 0.68~1.87cm 3 / g, average 1.28cm 3 / g; The value of shale density mainly refers to the measured average value of 2.57g / cm in 72 rock samples fro...

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Abstract

The invention relates to a shale gas resource / reserve measurement method. The method comprises the following steps: (1) determining a shale gas resource / reserve calculation unit; (2) identifying a shale stratum according to the shale gas resource / reserve calculation unit determined in the step (1); (3) determining shale gas resource / reserve parameters of the shale stratum; and (4) calculating the shale gas resource / reserve of the shale stratum according to the shale gas resource / reserve parameters of the shale stratum, which are determined in the step (3). The shale gas resource / reserve measurement method provided by the invention has strong feasibility and reliability, and can calculate the shale gas resource / reserve of different exploration areas in all exploration periods, thereby finding out the resource potential and economic benefits of the exploration areas.

Description

technical field [0001] The invention belongs to the technical field of unconventional oil and gas exploration and development, and relates to a method for measuring natural gas resources / reserves, in particular to a method for measuring shale gas resources / reserves. Background technique [0002] As the demand for oil and gas resources continues to grow, the demand gap for oil and gas is getting bigger and bigger. As an unconventional oil and gas resource, shale gas is an important clean new energy source, and it is also an important part of natural gas in the future and an important alternative energy source. Domestic shale gas exploration is still in its infancy, and there is no general resource / reserve classification standard and measurement method. Contents of the invention [0003] In order to solve the above-mentioned technical problems in the background technology, the present invention provides a shale gas resource / reserve method with strong feasibility and high rel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V9/00
Inventor 王香增高瑞民张丽霞王念喜姜呈馥耿龙祥陈宏亮杜燕郭超孙建博孙兵华
Owner RES INST OF SHAANXI YANCHANG PETROLEUM GRP
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