Mechanical descaling system for geothermal well

A geothermal well and mechanical technology, applied in wellbore/well components, cleaning tools, earth-moving drilling, etc., can solve the problems of introducing chemicals, complicated use methods, polluting the environment, etc., and achieves simple process, wide application range and effect. Good results

Inactive Publication Date: 2012-08-15
徐毅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among these descaling technologies, the chemical descaling method has the problem of introducing chemicals and polluting the environment; while the existing mechanical descaling method is expensive and complicated to use, so it is difficult to fully popularize

Method used

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  • Mechanical descaling system for geothermal well
  • Mechanical descaling system for geothermal well

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] As shown in the drawings, in the present invention, the derrick 14 is a common carbon steel bracket, which plays the role of supporting pulleys; the first fixed pulley 11 and the second fixed pulley 10 are common fixed pulleys, which play the role of force transmission and direction change Effect; the moving pulley 12 is a common moving pulley, which plays the role of force transmission, direction change and moving to connect the wire rope 5 and the hoist 13; the hoist 13 is a single-drum fast hoist, and its tonnage is 1000 kg; the geothermal well 9 is a medium-temperature geothermal well, and its The temperature of the geothermal water is 120°C, and the depth of the geothermal well is 200 meters; the hammer 6 is a cylindrical stainless steel hammer with a diameter of 300 mm and a height of 5 m, and its weight is 300 kg; the steam-water separator 2 is a CF11 type steam-water separator; the isolation cover 8 is a common closing device, its material is stainless steel, and...

Embodiment 2

[0036] The winch 13 among the embodiment 1 is changed into the fast winch of slip type, and all the other are the same as embodiment 1.

Embodiment 3

[0038] The geothermal well 9 in the embodiment 1 is changed into a high temperature geothermal well, the temperature of the geothermal water is 180° C., and the rest are the same as in the embodiment 1.

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Abstract

The invention discloses a mechanical descaling system for a geothermal well, and the mechanical descaling system comprises a derrick, a first fixed pulley, a second fixed pulley, a movable pulley, a winding machine and a well stabbing hammer, wherein the derrick and the winding machine are mounted beside the geothermal well; the first fixed pulley is mounted on the derrick and is located above the movable pulley; the second fixed pulley is mounted on the geothermal well and is located above the geothermal well; one end of a steel wire rope is connected with the upper side of the well stabbing hammer; and the other end of the steel wire rope sequentially passes through the second fixed pulley, the first fixed pulley and the movable pulley and is connected with the power output end of the winding machine. The mechanical descaling system for the geothermal well not only can be used for effectively solving the problem that the scale in the geothermal well is serious, but also is not limited by conditions and scales of the geothermal well; and the size and weight of the well stabbing hammer can be flexibly configured and the application range is wide; and the mechanical descaling system has the advantages of no introduction of chemicals, no pollution to the environment, simple process, fewer equipment and low cost, and is convenient to popularize.

Description

technical field [0001] The invention relates to a descaling system for geothermal wells, in particular to a mechanical descaling system for geothermal wells. Background technique [0002] With the rapid consumption of non-renewable resources such as oil and natural gas, geothermal energy has attracted increasing attention as a new energy source with broad development prospects. In addition to being used for power generation, geothermal energy can also be directly used for heating, cooling, medical bathing, various forms of industrial and agricultural heat, and aquaculture. Because geothermal water contains a large amount of mineral impurities, such as Ca2+, Mg2+, Fe2+, Al3+, S2-, CO32-, etc., it is easy to generate carbonates and hydroxides of calcium and magnesium ions, and its solubility is similar to that of ordinary salts. Different types, they do not increase with the increase of temperature, but decrease with the increase of temperature. Therefore, these slightly solu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B37/00
Inventor 徐毅
Owner 徐毅
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