FIELD: mining.
SUBSTANCE: invention refers to mining, particularly to drilling agents on water base without solid phase for drilling oil and gas wells. The drilling agent contains, wt %: thickener and fluid loss reducing agent - hydrolysed polyacrylamide 0.2-0.4, clay 3.0-24.0, carbonic acid potassium 0.2-0.5, polyglycol - Glycol-1 2.0-8.0, water - the rest.
EFFECT: obtaining few-component composition of fresh drilling mud possessing high inhibiting property for drilling in unstable argillaceous deposits, accompanied with complications of boreholes of wells, including horizontal wells.
5 ex, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| BORING SOLUTION WITHOUT SOLID STATE WITH INCREASED INHYBITING PROPERTIES | 2007 |
|
RU2375405C2 |
| CLAY-FREE INHIBITING DRILLING MUD | 2014 |
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RU2586162C2 |
| CLAY-FREE DRILLING FLUID FOR EXPOSING PRODUCTIVE FORMATIONS | 1999 |
|
RU2168531C1 |
| CLAYLESS DRILLING FLUID | 1995 |
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RU2102429C1 |
| POLYMER-BASED DRILLING MUD FOR WELL CONSTRUCTION | 2015 |
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RU2601635C1 |
| HIGHLY INHIBITED CLAY-FREE EMULSION DRILLING MUD | 2018 |
|
RU2698389C1 |
| PEAT ALKALINE DRILLING MUD FOR WELL DRILLING IN PERMAFROST ROCKS | 2014 |
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RU2550704C1 |
| DRILL MUD FOR PRIMARY OPENING OF PRODUCTIVE FORMATION | 2018 |
|
RU2695201C1 |
| BIOPOLYMER DRILLING MUD SBK-UNI-DRILL-PRO (HARD) | 2013 |
|
RU2561630C2 |
| AQUEOUS DRILLING OR COLLECTING MUD AND METHOD OF DRILLING SHAFT OF BOREHOLE (VARIANTS) | 1996 |
|
RU2160759C2 |
