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Sinopec News Network reported recently that Petrochemical Jingwei North China Measurement & Control Company received a logging project change notification from the Henan Oilfield Oil and Gas Development Management Department.
The optimized logging plan was adopted, bringing a bit of coolness to this hot summer
.
This is since May this year, after the Wei 2052, E Wang 40-1 and other three wells, Henan Oilfield once again carried out logging project changes to six wells in the Weigang block
.
They changed the originally designed deep and shallow lateral and microspheres into high-resolution array induction logging projects, marking the official promotion of the high-resolution array induction logging series in low-resistance reservoirs in oil fields
Think about what Party A thinks, and what Party A is anxious about
In recent years, Henan Oilfield has continuously increased its exploration and development efforts, and has successively discovered low-resistance oil layers and high-resistance water layers in Weigang and Wangji blocks, which not only puts forward higher requirements and brings new challenges to well logging interpretation work.
, And seriously affect the increase in oilfield reserves and production, income and efficiency
.
"In recent reports and exchanges with Party A, I have increasingly felt that the accurate interpretation of low-resistance oil layers and high-resistance water layers in the Weigang and Wangji blocks plays a vital role in Party A’s exploration and development
.
It is necessary to give full play to the role and advantages of logging technology in oilfield exploration and development, and to solve the problem of low resistance from the logging series according to the geological characteristics and exploration and development status of different blocks
In the follow-up, the center organized multiple logging comprehensive interpretation and single logging interpretation experts to hold relevant technical seminars to clarify ideas, discuss decision-making, and clarify the feasibility of the method
.
Research, analysis and report, with justification and evidence
Once the method is finalized, immediately put it into action
.
First of all, they started from themselves, analyzed the geological characteristics of the research area and the response characteristics of logging curves, dialectically analyzed the suitability of the logging series and geological characteristics, compared and analyzed the advantages and disadvantages of different logging series, and found the most suitable test for the target area.
Secondly, they set up a research team to conduct in-depth investigations on logging series in many oilfield areas of PetroChina and Sinopec, and draw lessons from other oilfields’ experience in the identification of low-resistance oil layers and high-resistance water layers, as well as comparisons.
The logging curve response characteristics of the reservoirs in the target area can clarify whether other application experiences are applicable to the target area
.
Through multi-party comparative analysis, they found that high-resolution array induction logging has obvious advantages in qualitatively identifying reservoir fluids, low-resistance oil layers, water-flooded layers and thin oil layers
.
The company's leadership immediately relevant organizations to report material production research group, led by technical experts to report to the Party
.
In front of one comparative data, in the face of one example of the effect, a high-resolution array induction logging project finally aroused great interest and concern the Party
From verification to application, achieving a qualitative leap
In order to verify the effect of the high-resolution array induction logging series, Party A conducted logging operations in the target area of Well Wei 2041 and Well Wei 2042 in the early stage
.
The comprehensive interpretation of these two wells found good potential oil layers.
From May to June, Party A applied the logging series in three wells including Wei 2052 and E Wang 40-1.
Among them, the interpretation results of Wei 2052 well enabled Party A to see the effect, strengthened confidence, and then increased High-resolution array induction logging for 6 wells
.
"The high-resolution array induction logging not only solved the interpretation problem, but also solved the development problem of Party A.
It is a win-win!" Liu Bo, who is responsible for the preparation of the logging series of preferred materials, said happily
.
It is reported that the logging project is the sixth revision of the existing logging series by North China Measurement & Control Company after multiple visits and investigations and in-depth comparative studies.
It provides a solid technical guarantee for the later exploration and development of the oil field and increase reserves and production
.
(Pan Xiuping Liu Bo)
