FIELD: gas production industry. SUBSTANCE: technical objective of process is drainage of rocks carrying immobile stratal water and prevention of sedimentation of salts in spaces of pores of these rocks in the neighborhood of gas wells located in regions of gas fields. Process is related to drainage of rocks carrying immobile stratal water in drainage radius of gas wells and wells of underground gas storages when less than 50.0 l of water account for 1000.0 cu.m of produced gas. Rocks carrying stratal water is subjected to water-repellency treatment with the use of dispersion containing following components: (a) water-repelling active substance, (b) hydrophilic disperser mixed with water and not necessarily (c) additional disperser. EFFECT: reliable drainage of rocks carrying immobile stratal water. 5 cl, 3 tbl
Authors
Dates
2001-03-20—Published
1997-12-18—Filed