Rodless oil production underground dosing production string as well as underground dosing system and dosing method thereof
A technology for producing pipe strings and dosing systems, which is applied in wellbore/well components, earthmoving, cleaning tools, etc., can solve the problem of poor effect of high liquid level oil wells, short validity period of chemical antiscalants for formation squeezing, and adverse effects. Dosing cycle and other issues, to reduce pump jam accidents, solve the poor anti-scaling effect, and save the total amount of dosing
Pending Publication Date: 2020-11-13
PETROCHINA CO LTD
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Abstract
The invention belongs to the technical field of rodless oil production underground operation, and particularly relates to a rodless oil production underground dosing production string as well as a rodless oil production underground dosing system and a dosing method thereof. The rodless oil production underground dosing production string comprises an oil drain device, an oil-submerged pump, a coupler, a protector and an oil-submerged motor; and the oil drain device, the oil-submerged pump, the coupler, the protector and the oil-submerged motor are sequentially connected from top to bottom to form the rodless oil production underground dosing production string. The rodless oil production underground dosing system is composed of the rodless oil production underground dosing production string,a dosing mechanism and a power and control mechanism, and long-acting and accurate filling of an underground anti-scaling agent is achieved.
Application Domain
Cleaning apparatus
Technology Topic
PhysicsElectric machinery +3
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PUM
Property | Measurement | Unit |
Outer diameter | 3.0 ~ 5.0 | mm |
Wall thickness | 0.5 ~ 1.0 | mm |
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