| 发明名称 |
WEIGHTED DISPLACEMENT FLUID |
| 摘要 |
FIELD: oil and gas industry.SUBSTANCE: weighted displacement fluid includes by wt %: gel powder - 1.92-2.38, Natrosol 250EXR stabiliser - 0.1-0.15, weighting additive - KG-2 galena concentrate 52.54-68.48 and water - the remaining part.EFFECT: reduced water loss, increased density, sedimentation stability, forming structure capable to bear the weighting additive and excluding coagulation of contact areas between drill muds and grouting mortars in the area of abnormally high reservoir pressure and temperature.3 tbl |
| 申请公布号 |
RU2561134(C1) |
申请公布日期 |
2015.08.20 |
| 申请号 |
RU20140126778 |
申请日期 |
2014.07.01 |
| 申请人 |
FEDERAL'NOE GOSUDARSTVENNOE BJUDZHETNOE OBRAZOVATEL'NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL'NOGO OBRAZOVANIJA "TJUMENSKIJ GOSUDARSTVENNYJ NEFTEGAZOVYJUNIVERSITET" (TJUMGNGU) |
发明人 |
KUZNETSOV VLADIMIR GRIGOR'EVICH;SHCHERBICH NIKOLAJ EFIMOVICH;BELEJ IVAN IL'ICH;SEMENENKO ANASTASIJA FEDOROVNA;ROMANOVA TAT'JANA NIKOLAEVNA |
| 分类号 |
C09K8/46;C09K8/48;E21B33/13 |
主分类号 |
C09K8/46 |
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