Clean production method of natural gas
A technology for clean production and natural gas, applied in the fields of gas fuel, petroleum industry, fuel, etc., can solve the problems of no involvement, no recovery of killing fluid in gas fields and reuse, recovery of corrosion inhibitors, etc.
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[0676] Example 1
[0677] A kind of clean natural gas exploitation method of the present invention is composed of the following steps:
[0678] 1) Add ice inhibitor: add ice inhibitor liquid or ice inhibitor to natural gas or / and natural gas flow channel, let the ice inhibitor liquid or ice inhibitor mix with gaseous water, liquid water, ice in natural gas or / and natural gas flow channel. Or / and contact or mix with natural gas hydrate to form ice-suppressant-containing sewage;
[0679] 2) Ventilation to remove moisture: use ventilation to evaporate the moisture in the ice-suppressant sewage to recycle the ice-suppressor liquid or ice-suppressor in the ice-suppressant sewage.
[0680] The ice-suppressing agent sewage refers to the sewage containing the ice-suppressing agent, which may refer to the water containing the ice-suppressing agent in the natural gas, or the water containing the ice-suppressing agent in the natural gas flow channels such as gas wells, pipelines, natura...
Example Embodiment
[0695] Example 2
[0696] Repeat Example 1, except:
[0697] In step 1), the ice-suppressing agent liquid refers to an aqueous solution containing an ice-suppressing agent.
[0698] In step 1), described ice inhibitor refers to any one or any of them in potassium formate, potassium acetate, sodium formate, sodium acetate, rubidium formate, rubidium acetate, cesium formate, cesium acetate that are solid under normal temperature and pressure. A mixture of any two or more in any ratio; laboratory tests show that the technical solution of this embodiment can realize the clean production of natural gas.
Example Embodiment
[0699] Example 3
[0700] Examples 1 and 2 are repeated, except that: in step 1), the content of the ice inhibitor contained in the ice inhibitor liquid is 1-78 wt %. Indoor tests show that the technical solution of this embodiment can realize clean production of natural gas.
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