FIELD: oil and gas industry.
SUBSTANCE: oil and gas well killing fluid, containing a water base, a polysaccharide gelling agent, a borate crosslinker, contains guar gum and xanthan gum as a polysaccharide gellant at the following component ratio, wt %: guar gum - 0.65-0.75, xanthan gum - 0.09-0.11, borate crosslinker - 0.35-0.45, water - the rest.
EFFECT: improved rheological, pseudoplastic properties, increased fluid stability with minimal impact on the permeability of the bottom-hole zone.
1 ex, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| BLOCKING BIOPOLYMER COMPOSITION | 2021 |
|
RU2757626C1 |
| ACID COMPOSITION FOR TREATMENT OF BOTTOMHOLE FORMATION ZONE | 2017 |
|
RU2656293C1 |
| WEIGHTED LIQUID WITHOUT A SOLID PHASE FOR KILLING OIL AND GAS WELLS | 2020 |
|
RU2744224C1 |
| BLOCKING COMPOUND FOR ELIMINATION OF ABSORPTIONS IN PRODUCTION FORMATIONS DURING WELL DRILLING | 2022 |
|
RU2794253C1 |
| WELL KILLING FLUID | 2016 |
|
RU2617661C1 |
| HYDRAULIC FRACTURING FLUID BASED ON HIGHLY MINERALIZED WATER, METHOD FOR ITS PREPARATION AND METHOD FOR PROCESSING THE FORMATION WITH ITS USE | 2020 |
|
RU2758828C1 |
| POLYSACCHARIDE GEL COMPOSITION FOR HYDRAULIC FRACTURING | 2022 |
|
RU2793051C1 |
| UNIT FOR PRETREATMENT OF PRODUCTION FLUID | 2016 |
|
RU2616466C1 |
| METHOD OF KILLING OF OIL WELLS WITH HIGH GAS FACTOR IN PERMAFROST CONDITIONS | 2016 |
|
RU2616632C1 |
| WELL KILLING FLUID | 2020 |
|
RU2737753C1 |
