Industry News
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One of the highest drilling difficulty in the world
At 10:30 on July 20, CNPC Shendi Chuanke 1 well, the most difficult drilling well in the world, started drilling in the Sichuan Basin. Prior to that, on May 30, CNPC Deepland Tako 1 well was drilled in the Tarim Basin. One north and one...Read more -
What does downhole operation include(1)?
1.What is downhole operation? Downhole operation is a technical means to ensure the normal production of oil and water wells in the process of oilfield exploration and development. Oil and natural gas buri...Read more -
Top ten well completion tools
The types of downhole tools commonly used in offshore oil field completion and production strings include: Packer, SSSV, Sliding Sleev , (Nipple), Side Pocket Mandrel, Seating Nipple, Flow Coupling, Blast joint, Test Valve, Drain Valve, Mandrel, Plug, etc. 1.Packers The packer is one of th...Read more -
Past and present for Cone bit
Since the advent of the first cone bit in 1909, the cone bit has been the most widely used in the world. Tricone bit is the most common drill bit used in rotary drilling operations. This type of drill has different tooth designs and bearing junction types, so it can be adapted to various formatio...Read more -
How should the drill pipe be maintained after use?
After the drilling operation is completed, the drill tools are neatly placed on the drill pipe rack according to different specifications, wall thickness, water hole size, steel grade and classification grade, need to rinse ,blow dry the inner and outer surfaces of the drill tool, joint threads, ...Read more -
Surface treatment of downhole motor- the successful solution to the corrosion in saturated brine
1. Successfully solved the corrosion problem in saturated brine. Processing method comparison: a. Chromium plating is the most widely used method at present. 90% of domestic petroleum customers use this method, which has a short service life and low price. The biggest problem of electroplating is...Read more -
Well cleaning operation process and technical points
Well cleaning is a process in which the well cleaning fluid with certain performance is injected into the wellbore at the ground side, and the dirt such as wax formation, dead oil, rust, and impurities on the wall and tubing are mixed into the well cleaning fluid and brought to the surface. Cle...Read more -
Four new trends driving the oil industry in 2023
1. Supply is tight While traders are quite concerned about the state of the global economy, most investment banks and energy consultancies are still forecasting higher oil prices through 2023, and for good reason, at a time when crude supplies are tightening around the world. Opec + ‘s rec...Read more -
China deep-sea oil and gas exploration and development enter the fast lane
Recently, China first self-operated ultra-deepwater large gas field “Shenhai No. 1″ has been put into operation for the second anniversary, with a cumulative production of more than 5 billion cubic meters of natural gas.In the past two years, CNOOC has continued to make efforts in dee...Read more -
Oil and gas drilling industry has ushered in an intelligent revolution
With the rapid development of artificial intelligence technology, more and more oil drilling companies have begun to apply intelligent technology to improve production efficiency and reduce costs. The intelligent drilling system is an important step for the oil drilling industry to enter the int...Read more -
How to avoid drill collar fatigue damage ?
The drill collar is an important tool in oil drilling, which is used in the drilling process to provide good vertical stability and gravity assisted pressure control. To avoid fatigue damage to oil drill collars, the following factors can be considered: Use the right drill collar: Select the r...Read more -
Tianjin Zhonghai Oilfield Service “Xuanji” system high-speed transmission technology to achieve large-scale application
Recently, China Oilfield Service Co., LTD. (referred to as "COSL") independently developed rotary steering drilling and drilling while logging system "high rate pulser" (referred to as "HSVP") in a land oil field application success, transmission rate of 3 bits/second, d...Read more
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