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Recently, Petrochemical Jingwei Jianghan Logging Branch opened three landing sections in the Jiaoye 15-6HF well, using fine trajectory control technology, and successfully completed two wells from the Jiaoye 67-S1HF well and the Jiaoye 1-4HF well.
The horizontal section of the well passes through in the middle, marking the successful completion of the "roadway->
.
The Jiaoshi block in Fuling has a dense well pattern.
There are more than 10 well positions deployed on the Jiaoye 15 platform
.
There are risks of casing collision and fracturing interference from adjacent wells in the vertical well section, the skew section and the horizontal section .
Jianghan Logging Branch attaches great importance to the trajectory design and actual drilling trajectory control of the Jiaoye 15-6HF well.
Before the three drilling starts, it actively communicated with the Fuling Shale Gas Company and continuously optimized the trajectory design plan.
After several rounds of discussions, The three-way design trajectory of the well was determined, and the technical plan for refined trajectory control and stepped landing was clarified
.
During the construction period, two directional professional technical backbones were selected to guide the well, to select the best drilling tool assembly; set up early warning of trajectory deviation to prevent the risk of collision prevention due to layer changes and insufficient slope; keep improving the parameters and strictly implement the " The "one measurement point, one scan, one measure" control scheme reduces engineering parameters such as well inclination and azimuth to the decimal point to maximize trajectory accuracy
.
After five days and nights of hard work, the borehole trajectory of Well Jiaoye 15-6HF is highly consistent with the stratigraphic layer, and it smoothly passed through the gap between two adjacent wells
The smooth construction of Jiaoye 15-6HF well with collision prevention and bypassing obstacles fully demonstrated the absolute strength of Jianghan Logging and Logging Branch as the "leader" and "main force" in the development and construction of the Fuling shale gas field
(Fei Tingting, Hou Liang and Xu Yuan)