COMPOUND FOR CLEANING HIGH-PRESSURE GAS-COLLECTORS Russian patent published in 1998 - IPC

FIELD: oil and gas production industry. SUBSTANCE: this relates actually to operation of gas-collecting pipelines and be used for removing liquid and mechanical impurities from inner surfaces of pipelines carrying gas, oil, and petroleum products. Compound for cleaning high-pressure gas-collectors has following components: carboximethylcellulose, sodium hydroxyde, cross-linking agent, and water. Used as cross-linking agent is blue vitriol. Ratio of ingredients is as follows, mass%: carboximethylcellulose 4-5, sodium hydroxyde 1-1.5, blue vitriol 0.3-0.5, water - the balance. EFFECT: high efficiency. 1 tbl