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The product name:XS-115 OIL LAYER WELL CLEANING PROTECTOR

1.      Structural Principle:

 XS-115 well cleaning protector is a mechanical device to prevent the washing fluid from entering the stratum and pollute oil layer. The device consists of screen tube, single flow valve, packer, etc. It is installed above tail pipe and under the oil pump.

The processing principle is as follows: the single-flow valve only allows the liquid in the casing to go up without going down; and the leather cup is used for sealing the oil casing pipe annulus, with a self-sealing effect and no need to be sealed artificially, and it shrinks under the gravity extrusion of the pipe column. Under the action of the single-flow valve, the washing fluid will only enter the oil pipe through the screen tube located in the upper part of the single-flow valve, without entering the formation. In this way the washing fluid won't enter the formation to pollute oil layer or press the oil layer from the oil casing pipe annulus, and washing well water-use will also be reduced .Finally well washing efficiency is improved and well washing costs is reduced, and drainage time after washing is less , thereby increasing crude oil production.

2. The Main Technical Parameters:

Withstand pressure: no less than 15Mpa

Temperature resistance: 120 ° C

Releasing force: 60KN

The largest outer diameter: Φ132

Adapt to the casing: 5 1/2"

3.Scope: for wells that are at fracture leakage formation and need to wash wells.

 

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