Favorable oil reservoir region identification method based on hydrocarbon generation period ancient structure
An identification method and a technology of favorable areas, applied in the identification of favorable areas in lithology-stratigraphic oil and gas reservoirs, and in the field of identification of favorable areas in oil reservoirs, can solve the problem of "increasing reserves and production" areas and horizons that cannot be found, and cannot be grasped, etc. problem, to achieve the effect of operability
Active Publication Date: 2013-07-17
RES INST OF SHAANXI YANCHANG PETROLEUM GRP
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Problems solved by technology
The comprehensive research on all elements of Tibet has led to the inability to grasp the intrinsic reasons for the accumulation, so it is impossible to discover more regions and layers of "increasing reserves and production"
At present, there is no effective identification method for the favorable areas of oil reservoirs based on paleostructures in the hydrocarbon generation period.
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[0045]The present invention will be further described below by specific embodiment:
[0046] Such as figure 1 As shown, the present invention is based on the identification method of the oil reservoir favorable area of the paleostructure of the hydrocarbon generation period, and the steps are as follows:
[0047] Step 1: Determine the research work area, that is, use the adapted drilling rig to perform drilling operations in the work area to be studied. After the drilling operation, a preset number of wells will be obtained, and logging equipment and mud logging equipment will be used in the preset layers inside the drilling wells and combined with their respective counterparts. The well logging method and mud logging method are used to obtain drilling data, or the seismic section data of the work area to be studied is obtained through field acquisition, indoor processing and interpretation in sequence, and the drilling data or the stratum thickness information in the seismi...
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The invention provides a favorable oil reservoir region identification method based on a hydrocarbon generation period ancient structure. The favorable oil reservoir region identification method based on the hydrocarbon generation period ancient structure includes: recovery of the hydrocarbon generation period ancient structure. Other parameters can be obtained and proved according to corresponding basin and regional basic geological research. Aiming at specific blocks, key control factors of hydrocarbon accumulation are focused on the most important first and second factors. Particularly aiming at lithologic stratigraphic oil and gas reservoirs, ancient geological factors are especially important. The favorable oil reservoir region identification method takes a masterstroke, namely a large amount of hydrocarbon generation period ancient protrusion (slope) structures or ancient oil and gas migration and accumulation power, simultaneously combines other related accumulation factors, masters accumulation essence, forms an exploration method, and is convenient to operate and favorable for guidance of production and practice.
Description
technical field [0001] The invention belongs to the field of petroleum and natural gas exploration, and specifically relates to a method for identifying favorable areas for oil and gas reservoir exploration, especially for the identification of favorable areas for lithology-stratum oil and gas pools controlled by paleostructures, that is, a method based on paleostructures in the hydrocarbon generation period Identification methods of favorable areas in oil reservoirs. Background technique [0002] For a long time, for the exploration of oil and gas reservoirs, the research on the various elements of accumulation (source, reservoir, cover, circle, migration, preservation and supporting history) has been comprehensive. However, specific to a basin, a zone, or even In a block, there must be key factors controlling the formation of oil reservoirs among the various elements of accumulation. The comprehensive research on all elements of Tibet has led to the inability to grasp the...
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Inventor 王香增高胜利张丽霞王书宝任来义于强高鹏鹏曹跃刘延哲
Owner RES INST OF SHAANXI YANCHANG PETROLEUM GRP