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Sinopec News Network reported on June 24 that the well Mian 14-12-Incline 155 well deployed for the Upper Paleozoic in the Bamianhe area was successfully drilled
.
"During the drilling process, the Upper Paleozoic will be cored to determine the relevant geological data of the new strata
Although the Paleozoic in the Bamianhe area has a good accumulation background, it has not achieved effective breakthroughs in exploration for many years, and has been in an embarrassing situation of "visible and inaccessible"
.
"Currently, development is mainly concentrated in the Cenozoic Shahejie Formation.
The proven rate of this formation is as high as 80%
.
The discovery of new oil reservoirs is becoming more and more difficult .
Starting in 2011, they gradually focused their attention on the new layer system, but did not make a major breakthrough
.
Oil and gas discoveries were made in the Guangbei 2-incline 6 well drilled in the Mesozoic, but the stable daily oil production was only 0.
Because it is a new regional strata system, there is no precedent to follow.
In addition, the quality of seismic data is poor, and it is difficult to finely describe the structure.
The Paleozoic trap morphology, reservoir distribution, oil and gas properties, etc.
are not clear, and the research was once deadlocked.
.
"We reprocessed the seismic data to improve the quality of the data
.
" Huang Zhongge said, relying on the newly processed seismic data, the plant, the research institute, and the Institute of Geophysical Prospecting have jointly tackled key problems, and carried out a new round of research on the Paleozoic world and re-understanding of reservoir formation.
In October 2019, the drilling of Well Hole Oblique 9 was completed, and it encountered an upper Paleozoic oil layer of 3.
2 meters, with a daily oil production of 2.
8 tons, and has been maintaining stable production
.
This well has good oil quality, simple development methods and relatively high benefits
The well obtained industrial oil flow in the Upper Paleozoic for the first time, confirming the knowledge of technicians
.
Since then, the Upper Paleozoic world is no longer only visible, but also available
The technicians focused on re-understanding and detailed description of the stratigraphic structure and fault system in the Fongxian 9 well area, using the scattered wells 14-4-incline 191 well deployed for the Shahejie Formation to deepen the upper Paleozoic and further confirm the development of the reservoir.
On March 31 this year, Well Mian 14-4- Incline 191 successfully drilled the Upper Paleozoic.
In order to effectively use the reserves in the hole in the 9th well area, they deployed the Mian 14-12-inclination 151 well and the Mian 14-12-inclination 155 well, and they are currently stepping up their implementation
(Xia Mei Liu Wenjuan)
