Txoj kev loj hlob ntawm cov roj thiab roj av yog ib txoj haujlwm nyuaj thiab kev ua tiav uas tsim los ntawm kev tshawb nrhiav, kev drilling, kev ua haujlwm hauv av, cov roj rov qab, kev sib sau ua ke thiab kev thauj mus los. Cov tshuaj lom neeg ntau yuav tsum tau ua hauv txhua txoj haujlwm.

Raws li cov khoom siv tseem ceeb rau kev tshawb nrhiav geological, drilling additives tau kawm thiab siv tau ntau xyoo hauv tsev thiab txawv teb chaws, thiab ntau pua yam khoom lag luam tau tsim.

Drilling kua kuj tseem hu ua cov av nkos.its muaj nuj nqi yog qhov kev txiav nyom zoo thiab ua kom muaj kev txiav txim siab zoo los txhim kho kev nyab xeeb thiab ua kom muaj kev nyab xeeb , thiab tus neeg saib xyuas kho yog tus yuam sij kom ua kom cov av nkos optimization.Drilling kua thiab ua tiav cov kua dej kho cov neeg ua haujlwm suav txog li ib nrab ntawm cov tshuaj oilfield.

Cementing cement additive

1. Fluid loss agent

Cov ntaub ntawv uas tuaj yeem txo qhov pom kev poob ntawm cov cement slurry yog sib sau ua ke hu ua dej poob txo cov neeg ua haujlwm ntawm cov cement slurry.Tam sim no, feem ntau siv dej poob txo cov neeg ua haujlwm suav nrog polyacrylamide, carboxymethyl cellulose thiab organic acids.

1. Drag reducer (diluent, dispersant, dej reducer, turbulence regulator)

Turbulent pumping ntawm grout feem ntau tuaj yeem tau txais txiaj ntsig zoo.Drag reducers tuaj yeem tswj tau qhov ntws ntawm grout thiab ua rau muaj kev kub ntxhov ntawm cov twj tso kua mis qis.Sulfomethyl tannin, tannin lye thiab sulfomethyl lignite muaj qhov cuam tshuam zoo txo ​​qis hauv qee cov ntsiab lus.

1. Thickening lub sij hawm regulator

Vim muaj qhov sib txawv ntawm cov cementing qhov tob, cov cement slurry yuav tsum muaj lub sij hawm thickening tsim nyog kom tau raws li qhov yuav tsum tau muaj kev nyab xeeb.

Thickening lub sij hawm regulators muaj xws li coagulant thiab retarding spines.A coagulant yog ib tug additive uas yuav ua rau cov cement solidify sai, feem ntau siv calcium chloride, sodium chloride.Ammonium chloride, thiab lwm yam. Cov khw muag khoom yog additives uas yuav ncua lub solidification los yog thickening lub sij hawm ntawm cement slurry.Feem ntau siv retarders muaj xws li lignosulfonates thiab lawv cov derivatives, ntsev ntawm hydroxycarboxylic acids (xws li citric tartaric acid) thiab lawv cov derivatives.

1. Lub ntiajteb txawj nqus regulator

Raws li cov txheej txheem sib txawv, qhov sib txawv ntawm cov cement slurry yog xav tau.Cov additives uas tuaj yeem hloov qhov ntom ntawm cov cement slurry yog hu ua tshwj xeeb lub ntiajteb txawj nqus regulators, xws li lightening agents thiab weighting agents.Lightening agents yog bentonite (tseem hu ua av tshem tawm), nyuaj asphalt, thiab lwm yam. Tus neeg saib xyuas qhov hnyav muaj barite, hematite, xuab zeb, ntsev. thiab lwm yam.