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Recently, during the drilling and construction of Anye 2-3HF well, Jianghan Petroleum Engineering Shale Gas Extraction Technology Service Company applied self-developed oil-based drilling fluid to increase the speed by 12% with the average ROP of three openings.
, Saving 11 days of construction period
.
This is the first application of the oil-based drilling fluid system independently developed by the company in the external market, successfully breaking the record of drilling cycle in Zheng'an area and becoming famous in the first world war
It is understood that the oil-based drilling fluid system used this time is one of the company’s independent research and development of three distinctive wellbore working fluids.
It has good anti-collapse and suppression capabilities and strong plugging capabilities to ensure the wellbore wall during rapid drilling.
Stability can greatly improve the effectiveness of drilling.
The research and development of this product fills the gap of Jianghan Petroleum Engineering's own drilling fluid system
.
This time, the company immediately organized drilling fluid experts and scientific researchers to set up a special scientific research team for the difficulty of normal pressure shale gas layers in Zheng'an area, such as easy block loss and narrow density window.
After thorough investigation, the system summarized the drilling construction experience of Zheng'an block.
On the basis of this, the design concept of "strong blocking, low viscosity, high cut, and low density" was put forward
.
At the same time, mud experts were selected to be stationed in the well to carry out technical guidance throughout the process, and through real-time adjustment of the drilling fluid formula and performance, to ensure the maximum performance of the independently developed oil-based drilling fluid system, and finally successfully completed the entire operation, which was highly praised by the owner
The successful completion of Well Anye 2-3 not only demonstrated the outstanding service capabilities of the company's characteristic wellbore working fluid technology research and development team, but also provided a good example for the subsequent speed and efficiency of shale gas drilling in the area
(Zhang Jingjing and Mei Luqiang)
