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Classification and Function of Casing
Casing is the steel pipe that supports the walls of oil and gas wells. Each well uses several layers of casing depending on the drilling depth and geology. Casing after the well to use cement to cement, casing and tubing, drill...Read more -
The composition and function of well structure
The well structure refers to the drilling depth and the bit diameter of the corresponding well section, the number of casing layers, diameter and depth, the cement return height outside each casing layer and the artificial bott...Read more -
The working principle of RTTS packer
RTTS packer is mainly composed of J-shaped groove transposition mechanism, mechanical slips, rubber barrel and hydraulic anchor. When the RTTS packer is lowered into the well, the friction pad is always in close contact with th...Read more -
The Basic Applications of Directional Wells
As one of the most advanced drilling technologies in the field of petroleum exploration and development in today’s world, directional well technology can not only enable the effective development of oil and gas resources that a...Read more -
Principle and structure of Dissolvable bridge plugs
Dissolvable bridge plug is made of new material, which is used as temporary wellbore sealing segmentation tool for horizontal well fracturing and reforming. Dissolvable bridge plug is mainly composed of 3 parts: bridge plug body, anchor...Read more -
What does downhole operation include?
Reservoir stimulation 1. Acidification Acidification treatment of oil reservoirs is an effective measure to increase production, especially for carbonate oil reservoirs, which is of greater significance. Acidification is to inject the r...Read more -
What are the root causes of overflow in drilling？
Many factors can cause overflow in a drilling well. Here are some of the common root causes: 1.Drilling fluid circulation system failure: When the drilling fluid circulation system fails, it may cause pressure loss and overflow. This ca...Read more -
Four elements of perforating operation
1.Perforation density Is the number of perforations per meter of length. Under normal circumstances, to obtain the maximum production capacity requires a higher perforation density, but in the selection of perforation density, can not b...Read more -
Structure and working principle of hydraulic oscillator
The hydraulic oscillator mainly consists of three mechanical parts: 1) oscillating sub-section; 2) power part; 3) valve and bearing system. The hydraulic oscillator uses the longitudinal vibration it generates to improve the effectiv...Read more -
What are the types and advantages of tubular magnets?
There are different types of tubular magnets, each with different advantages. Here are some common types and their advantages: 1.Rare earth tubular magnets: These magnets are made of neodymium magnets and are known for their powerful ma...Read more -
The main components and operating characteristics of coiled tubing equipment.
Main components of coiled tubing equipment. 1. Drum: stores and transmits coiled tubing; 2. Injection head: provides power for lifting and lowering coiled tubing; 3. Operation room: Equipment operators monitor and control coiled tubing ...Read more -
What does downhole operation include?
07 casing repair In the middle and late stages of oilfield exploitation, with the prolongation of production time, the number of operations and workovers increases, and casing damage will occur successively. After the casing is damaged,...Read more
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