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Research on key technology of packer rubber barrel for integrated fracturing and completion of gas well
The staged and layered fracturing technology plays an important role in unconventional tight reservoirs. And the gas well fracturing and completion...
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A geometric analysis-based approach toward mechanical analytics of multi-packer completion tubular string
Multi-packer completion strings have played a pivotal role in secure exploitation of oil and gas, increasing production and mitigating greenhouse gas...
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Application of Fracturing and Completion Technology in Sichuan-Chongqing Continental Tight Sandstone Reservoir
Tight sandstone gas reservoir is a very important unconventional oil and gas resource, but its reservoir physical property is poor, permeability is...
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Research and Application of Combined Process of Perforation and Fracturing Completion in Deep Gas Well
The deep natural gas in the middle of Songliao basin is deeply buried as a whole, and the ultra-high temperature, high pressure and high CO2 content...
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Integrated Acid Fracturing and Completion Technology for Carbonate Reservoirs in Sichuan-Chongqing Area
Carbonate reservoirs in Sichuan and Chongqing are characterized by deep burial depth (>4500 m), high formation temperature (>130 ℃), multiple layers,...
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Research and Application of Drag Type Fine Control Multi-stage Fracturing Technology for Horizontal Wells
The large-scale volume fracturing is commonly believed as an effective way to recover oil from thin, low porosity and ultra-low permeability tight...
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The Research on Novel Fracturing Sliding Sleeve Using High-Strength Dissolvable Ball Seat
Massive hydraulic fracturing in horizontal wells plays significant role in high-efficient recovery of unconventional oil and gas reservoirs. Besides...
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The Well Completion Processes of Highly Deviated Ultra-deep Well in Altun Piedmont in Qaidam Basin
The Altun Piedmont in the Qaidam Basin belongs to ultra-deep, ultra-high pressure, and ultra-high temperature bedrock gas reservoirs. In recent...
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Research and Experiment of Hydraulic Injection Double-Seal Single-Card Driving Fracturing Technology in Tight Horizontal Wells
In view of the large number of horizontal Wells with casing loss and casing leakage, conventional pum** bridge plug or coiled tubing bottom seal...
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Development and field application of strongly resilient temporary plugging diversion agent for fracturing
Temporary plugging diversion fracturing in multistage horizontal well is normally used to improve stimulation efficiency and increase production in...
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Application of Infinite Stage Sliding Sleeve Segmented Fracturing Technology in Shale Oil Reservoirs
In order to explore the precise segmented fracturing technology for shale oil reservoirs, the infinite stage sliding sleeve segmented fracturing...
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Research and Application of Fracturing Technology in the Lateral Drilling to Horizontal Well of the Ultra-short Radius
With the deepening of oilfield development, Daqing Oilfield has applied the short-radius lateral drilling technology in the horizontal well on a...
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Research and Field Application of Controllable Blowout Prevention Technology After Shale Oil Fracturing
Daqing Gulong shale oil has newly increased proven geological reserves of 1.268 billion tons, which is an important replacement resource for the...
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Field investigation of multi-stage pulse hydraulic fracturing for improving permeability of coal seam in directional long borehole in underground coal mines
Directional long borehole has been promoted in underground coal mines. However, the hydraulic fracturing technology based on directional long...
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Research and Application of Special Completion Technology in Complex Wellbore Conditions of Ultra-Deep Carbonate Reservoirs
The oil and gas resources over 6000 m in Tarim Basin account for 83.2% and 63.9% of the total oil and gas resources in China’s ultra-deep reservoirs...
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Exploration and Enlightenment of High Efficiency Stratified Fracturing Technology for Vertical Well Exploration in Qinghai Oilfield
In recent years, the exploration work in Qinghai Oilfield has gradually gone deeper into unconventional fields. In view of the prominent...
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Preliminary Study on Oil Test and Completion Technology of Over 9000 m Deep Wells—Taking Guole X Well as an Example
In recent years, the exploration and development of Tarim Basin has been develo** in the vertical direction, and the oil and gas in deep and...
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Research and engineering practice of high-efficiency gas extraction technology by hydraulic fracturing: a case study of Huanglong Coalfield in China
In view of the problems of rapid attenuation of concentration and flow rate and the small extraction influence radius in the process of gas...
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Application of Large-Scale Hydraulic Fracturing for Reducing Mining-Induced Stress and Microseismic Events: A Comprehensive Case Study
Roof strata control is crucial to production safety in underground coal mines. In this study, a field trial was carried out involving large-scale...
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Optimization Design Method and Application of Completion String in High Temperature and High Pressure Gas Well Based on Wellbore Temperature-Pressure Effect
Based on the measured values, the yield strength attenuation law with the temperature of the 110SS and 2532-110 material tubing was obtained. Tubing...