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Self-Healing Cement Slurry
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Overview

Oil-gas self-healing cement slurry technology is an innovative cement slurry solution, which aims to solve the problems of micro-cracks and channels in cement ring or interface. In this technology, when the self-healing agent meets hydrocarbon fluids such as water, oil, gas, etc., it automatically flows to the gaps or micro-cracks to fill and reinforce, thus forming a seal, thus preventing the fluid passage and avoiding the occurrence of annular pressure problems.

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High toughness: reduce the brittleness of cement stone and reduce the probability of cement ring failure.


Self-healing ability: the sealing ability of cement sheath can be restored without manual intervention, and the production of oil and gas wells does not need to be interrupted.


Low risk and high efficiency: Compared with workover operation after annular pressure, it has the characteristics of low risk, strong effectiveness and low cost.
Improve production efficiency: avoid workover operation caused by channeling between oil and gas layers and wellhead pressure, and keep continuous production of oil and gas wells.


Reduce costs: reduce workover operations and related risks, and reduce operating costs.


Safety and environmental protection: improve wellbore safety and reduce the risk of environmental pollution through self-healing technology.


Strategic advantage: provide technical innovation support for customers and enhance market competitiveness.
Successful application of self-healing cement slurry technology in an oilfield.


Field test and practice of self-healing cement slurry technology in deep gas wells.
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