CMC imagwiritsa ntchito mu Petroleum ndi Oil Drilling Viwanda

Sodium carboxymethyl cellulose (CMC) imapangidwa ndi cellulose yachilengedwe ndi kusintha kwamankhwala kwa zotumphukira zama cellulose ethers, ndi mtundu wofunikira wamadzi sungunuka cellulose ether, ufa woyera kapena wachikasu kapena granular, wopanda poizoni, wopanda kukoma, utha kusungunuka. m'madzi, ali wabwino kutentha bata ndi mchere kukana, amphamvu antimicrobial katundu. The slurry fluid yokonzedwa ndi mankhwalawa imakhala ndi madzi abwino kutaya, kulepheretsa komanso kutentha kwakukulu. Amagwiritsidwa ntchito kwambiri m'makampani obowola mafuta, makamaka Madzi amchere amchere komanso pobowola mafuta akunyanja.

Sodium carboxymethyl cellulose CMC ngati polima sungunuka m'madzi, imatha kusungunuka m'madzi ozizira kapena madzi otentha; Monga thickening wothandizira, rheological control agent, zomatira, stabilizer, zoteteza colloid, kuyimitsidwa wothandizira ndi wothandizila madzi posungira, ndi wabwino kubowola matope mankhwala wothandizila ndi kukonzekera akamaliza zamadzimadzi ntchito pobowola mafuta. Lili ndi mphamvu yothamanga kwambiri komanso kukana mchere wabwino. CMC ndi njira yabwino kwambiri yochepetsera kutaya kwamadzimadzi pamatope amadzi abwino ndi matope amchere odzaza ndi madzi amchere, ndipo ili ndi luso lokweza mamasukidwe abwino komanso kukana kutentha kwambiri (150).℃). Oyenera yokonza mwatsopano, madzi a m'nyanja ndi ano zimalimbikitsa brine kumaliza zamadzimadzi, ndi kashiamu mankhwala enaake kulemera akhoza anakonza kuti zosiyanasiyana kachulukidwe amaliziro zamadzimadzi, ndi akamaliza kukhuthala madzimadzi mamasukidwe akayendedwe ndi imfa otsika madzimadzi.

Chiyambi chaCMC HV ndiMtengo wa CMC LV kwa petroleum pobowola madzimadzi

(1) Matope a CMC amatha kupanga khoma lachitsime kukhala lopyapyala komanso lolimba losefera keke ndi kutsika kochepa, kuti muchepetse kutaya kwa madzi.

(2)Pambuyo powonjezera CMC kumatope, kubowolako kumatha kukhala ndi mphamvu zochepa zometa ubweya, kotero kuti matope azikhala osavuta kutulutsa mpweya wokulungidwa mmenemo, ndipo zinyalalazo zimatayidwa msanga mu dzenje lamatope.

(3) Pobowola matope ndi zina inaimitsidwa kubalalitsidwa zitsanzo ali ndi moyo, amene akhoza okhazikika ndi anawonjezera powonjezera CMC.

(4) Matope okhala ndi CMC sakhudzidwa kwambiri ndi nkhungu motero safunikira kukhala ndi PH kapena kugwiritsa ntchito zoteteza.

(5) Muli CMC monga kubowola matope kuyeretsa madzimadzi mankhwala wothandizira, akhoza kukana kuipitsa zosiyanasiyana sungunuka mchere.

Matope okhala ndi CMC amakhala okhazikika bwino ndipo amatha kuchepetsa kutaya kwa madzi ngakhale kutentha kuli kopitilira 150°C.

Zindikirani: CMC yokhala ndi mamasukidwe apamwamba komanso kulowetsedwa kwakukulu ndi yoyenera matope okhala ndi kachulukidwe kakang'ono, pomwe CMC yokhala ndi mamasukidwe otsika komanso m'malo mwapamwamba ndiyoyenera matope okhala ndi kachulukidwe wamkulu. CMC ayenera kusankhidwa malinga ndi zinthu zosiyanasiyana monga matope mtundu, dera ndi chitsime kuya.

Main ntchito: CMC pobowola madzimadzi, simenti madzimadzi ndi fracturing madzimadzi, kukweza mamasukidwe akayendedwe ndi ntchito zina, kuti akwaniritse. Kuteteza khoma, kunyamula zodula pobowola, kuteteza pang'ono, kuteteza kutayika kwamatope, kupititsa patsogolo ntchito yoboola. Onjezerani mwachindunji kapena ndi guluu kuti muwonjezere matope, onjezerani 0.1-0.3% mumatope amadzi abwino, onjezerani 0.5-0.8% mumatope amchere amchere.

Zogulitsa:

1. Chogulitsacho ndi polima chosungunuka m'madzi chokhazikika chomwe chimakhala ndi mtengo wotsika wa N ndipo chimatha kusinthidwa bwino chikawonjezedwa kumadzi obowola.

Ndondomeko yoyenda. Ili ndi maubwino opondereza kubalalitsidwa kwa shale, kukana kuyipitsa kwa ion, kuchepetsa kutayika kwamadzimadzi, kuchulukitsa kubowola ndikuchepetsa mtengo.

2. Monga chowongolera chowongolera chowongolera pobowola madzimadzi, mankhwalawa ali ndi chaka chosiyana, kusefera kufewetsa kuchepa kwa magwiridwe antchito komanso kusintha kwakusintha kwamayendedwe ndipo ndikwabwinoko.

Itha kugwiritsidwa ntchito ngati mamasukidwe akuchulukirachulukira ndikuchepetsa kusefera m'madzi atsopano ndi slurry wamadzi amchere.

1. Ili ndi kukana bwino kwa kuipitsidwa ndi kutentha.

Kugwiritsa ntchito sodium carboxymethyl cellulose CMC mumakampani obowola mafuta

1. Kugwiritsa ntchito sodium carboxymethyl cellulose CMC pobowola madzimadzi

The non-dispersible pobowola madzimadzi okonzeka ndi CMC ali amphamvu cuttings kunyamula mphamvu, linalake ndipo tikulephera kubalalitsidwa dongo, amachepetsa dongo pulping liwiro, ndi opindulitsa wellbore bata ndi bwino kumawonjezera pobowola mlingo.

Omwazika pobowola madzimadzi ndi CMC ali bwino kuyimitsidwa luso, akhoza kutengerapo gawo kwambiri olimba, akhoza kwambiri kusintha tinthu bata, ndi oyenera kwambiri mkulu-kachulukidwe pobowola madzimadzi, ndipo mogwira kusintha rheological katundu pobowola madzimadzi; Keke yamatope komanso yapamwamba kwambiri imatha kupangidwa mumadzimadzi obowola, omwe amakhala ndi kutsika kwabwino kwa kusefera komanso kuchepetsa madzi kwaulere.

Kashiamu ankachitira pobowola madzimadzi ndi CMC ali wabwino kashiamu kukana ndipo angalepheretse mochulukira flocculation dongo particles mu dongosolo chifukwa cha ayoni kashiamu, kuti madzimadzi pobowola akhoza kukhala wabwino flocculation boma ndi kusunga olimba okhutira ndi rheological katundu wa pobowola madzimadzi, kuti zitsimikizire kuti madzi obowola akuyenda bwino komanso okhazikika.

Ndi CMC kasinthidwe brine, nyanja madzi pobowola madzimadzi, pobowola madzi odzaza mchere madzi pobowola madzimadzi, otsika tilinazo mchere, kukana amphamvu mchere ndi kashiamu, magnesium, ntchito monga rheological regulator, pansi pa chikhalidwe otsika mlingo wa pobowola madzimadzi rheology mwamsanga. kusintha, akhoza mwamsanga kuchita cuttings nthawi yomweyo, kusunga otsika olimba okhutira, n'kothandiza kusintha pobowola liwiro. Akagwiritsidwa ntchito ngati chochepetsera kutaya madzi, keke yamatope imatha kupangidwa. Monga filtrate imasefedwa mu keke ya fyuluta ili pafupi ndi mapangidwe amadzi oyambirira, filtrate ili ndi kuwonongeka kochepa kwa mafuta ndi gasi wosanjikiza.

Madzi obowola opangidwa ndi potaziyamu okhala ndi CMC amakhala ndi chidwi chochepa ndi mchere wa potaziyamu, mchere wa calcium ndi mchere wa magnesium. Iwo akhoza mwamsanga ndi efficiently kusintha rheological zimatha mtundu wa pobowola madzimadzi. Sizingokhala ndi zotsatira zabwino zosefera, komanso zimatha kuyeretsa ma cuttings ndi kubowola.

Polima pobowola madzimadzi okhala ndi CMC n'zogwirizana ndi ma polima ena, ali ndi mphamvu kuyimitsidwa, ndipo akhoza kuyeretsa cuttings m'nthawi yake ndi bwino. Komanso, madzimadzi pobowola ndi wabwino kwambiri madzimadzi kutaya wothandizila ndi otsika zolimba ndi dongo kubalalitsidwa.

Low olimba pobowola madzimadzi okonzeka ndi CMC akhoza mwamsanga ndi efficiently kusintha rheological katundu pobowola madzimadzi, kwambiri kuyimitsidwa luso, panthawi yake ndi bwino kuchotsa cuttings, kusunga madzimadzi pobowola ndi otsika olimba okhutira, kupititsa patsogolo pobowola liwiro, kukhazikika khoma pobowola, ndi kukhala ndi madzimadzi abwino kwambiri. zotsatira kuchepetsa kutaya.

Madzi obowola otetezedwa ndi chilengedwe okhala ndi CMC ndi ochezeka ndi chilengedwe, alibe poyizoni, alibe vuto komanso alibe fungo, amatha kuwonongeka komanso osasavuta kuyipitsa akamagwiritsidwa ntchito. Madzi obowola ali ndi mtengo wochepa wokonza ndipo thanzi ndi chitetezo cha ogwira ntchito yomanga ndizotsimikizika. Ndi yoyenera kubowola pansi pazikhalidwe zosiyanasiyana zovuta zachilengedwe komanso zopanda vuto pazaulimi.

2. Kugwiritsa ntchito sodium carboxymethyl cellulose CMC mu simenti madzimadzi (kumaliza madzimadzi)

Kuthamanga kwamadzimadzi kumapangidwa bwino ndi CEMenting slurry yokonzedwa ndi CMC, yopereka kukhuthala koyenera komanso kutsika kwamadzimadzi, ndikuteteza chitsime ndikuletsa madzi kulowa mu pores ndi fractures.

The packers okonzeka ndi CMC akhoza kusintha fluidity wa madzi, thixotropy ndi luso suspend olimba gawo. Chifukwa chakuti mankhwalawa ali ndi kukana kwa mchere wabwino (makamaka ma ion achitsulo a monovalent), mankhwalawa angagwiritsidwe ntchito kuyeretsa mapaketi amadzi amchere bwino.

Madzi ogwirira ntchito omwe amakonzedwa ndi CMC ya kampaniyo ndi otsika kwambiri ndipo samalepheretsa kufalikira kwa malo opangira chifukwa cha zolimba kapena kuwononga malo opangira. Ndipo imakhala ndi kutaya kwa madzi otsika, kotero kuti madzi omwe amalowa muzitsulo zowonongeka amachepetsedwa, ndipo madzi adzatsekedwa ndi emulsion ndikupanga chodabwitsa chamadzi. Madzi ogwirira ntchito opangidwa ndi CMC ndi PAC amapereka zabwino kuposa madzi ena owonjezera. Tetezani malo opanga kuti asawonongeke kosatha; Kusasunthika kwa zibowo ndikuchepetsa kukonza zitsime; Imalimbana ndi kulowetsedwa kwa madzi ndi silt, ndipo kawirikawiri imatuluka; Itha kusungidwa kapena kugwiritsidwanso ntchito kuchokera pachitsime kupita pachitsime pamtengo wotsikirapo kuposa zamadzimadzi wamba wothira matope.

3. Kugwiritsa ntchito carboxymethyl cellulose sodium CMC mu fracturing fluid

Konzekerani ndi CMC fracturing madzimadzi, mwamsanga kusintha mamasukidwe akayendedwe a fracturing madzimadzi, akhoza efficiently kunyamula proppant mu mafuta chitsime fracture, kukhazikitsa njira seepage, mwamsanga kuchepetsa kuchuluka kusefera, kuthamanga mapangidwe kukwera mofulumira, ndi kukwaniritsa kulanda imayenera ya mavuto, mankhwala alibe zotsalira, palibe kuwonongeka kwa pansi, pumpability mkulu, yaing'ono mikangano, ndipo amatha kunyamula proppant.

Kuyika, kusunga ndi zoyendera:

Zogulitsazo zimapakidwa m'matumba opangidwa ndi mapepala apulasitiki kapena matumba apulasitiki okhala ndi mizere ndipo amasindikizidwa mwamphamvu. Net kulemera 25kg pa thumba. Izi ziyenera kusungidwa pamalo ozizira

Malo owuma, posungira ndi kunyamula ayenera kuteteza chinyezi, kutentha ndi kuwonongeka kwa phukusi.