[China Instrument Network Instrument R&D] On January 16, it was learned from the North China Business Unit of China National Petroleum Logging Corporation that this division used a layered oil production test system independently developed by the company to conduct testing operations in the well Zhao 78-8x of the Huabei Oilfield and enter the instrument. Downhole 33 days, the current performance status is stable, the signal is normal, marking a new breakthrough in oil production testing technology in some sectors of the North China business.
The stratified oil production test system is divided into two parts: the ground test control and the downhole instrument tool. It can turn on and off the oil layer to be tested as needed to achieve accurate test of oil and gas reservoir parameters, and to obtain oil well formation output, pressure, temperature, and permeability. Other geological parameters.
The stratified oil production test system is divided into two parts: the ground test control and the downhole instrument tool. It can turn on and off the oil layer to be tested as needed to achieve accurate test of oil and gas reservoir parameters, and to obtain oil well formation output, pressure, temperature, and permeability. Other geological parameters.
In response to the problems of low pressure resistance and complicated construction of downhole tools, the North China Business Unit has organized technical researches. After more than a year of efforts, it has overcome many technical problems and applied for 2 technical patents. The developed layered oil production test system has the advantages of no need for secondary docking, real-time monitoring of downhole equipment conditions, use of progressive unpacking packers and safety joints to facilitate the handling of sand cards, and the use of 5.6 mm steel wire cables for easy construction.
Before the construction work, the North China Business Department carefully analyzed the basic data such as the well condition, original formation pressure, and water injection conditions of Wells No. 78-8x, optimized the formulation of the construction plans, carefully prepared the tools, and strictly followed the operation procedures. On December 14, 2016, the first phase of data collection was completed and the pressure recovery test of the 2185 to 2197-meter horizon began.
(Original Title: Breakthrough of the Tiered Oil Production Test System of PetroChina Logging Company)
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