Ijeli egqunyiweyo yebreaker yokuqhekeka kwiindawo zeoyile

Ijeli egqunyiweyo yokuqhawula i-fracturing kwiindawo zeoyile sisongezelelo sekhemikhali esisetyenziswa kwi-oilfield fracturing operations, ingakumbi ukulawula i-viscosity kunye nexesha lokuqhawula ijeli yolwelo oluqhekezayo.

I-gel breaker efakwe kwi-encapsulated ngokuqhelekileyo iqukethe igobolondo kunye ne-agent yangaphakathi ye-gel-breaking.Iqokobhe lidla ngokuba sisixhobo se-polymer esikwaziyo ukumelana noxinzelelo oluthile kunye nobushushu, kwaye i-arhente yangaphakathi yokuqhekeza ijeli yikhemikhali ekwaziyo ukubola i-polymer kulwelo oluqhekezayo.Ngethuba lokusebenza kwe-fracturing, i-gel breaker encapsulated ifakwe kwi-fracturing fluid.Njengoko i-fluid ihamba kunye nokutshintsha koxinzelelo, i-capsule iyancipha ngokuthe ngcembe, ikhupha i-agent yangaphakathi ye-gel-breaking, ngaloo ndlela ibolile i-polymer kwi-fracturing fluid, inciphisa i-viscosity ye-fracturing fluid, eyenza kube lula ukugeleza kwakhona emhlabeni.

Ukusetyenziswa kwe-gel breaker ehlanganisiweyo kunokulawula ngokufanelekileyo i-viscosity kunye ne-gel-breaking time of the fracturing fluid, ukuphucula umphumo kunye nokuphumelela kwempumelelo yokusebenza kwe-fracturing.Ngexesha elifanayo, i-gel breaker efakwe kwi-encapsulated inokunciphisa umonakalo we-fracturing fluid ekubunjweni, ukuphucula imveliso kunye nesantya sokubuyisela kwi-oilfield.

Ukukhetha ijeli esaphuliweyo esifanelekileyo semisebenzi yokuqhekeka kwendawo yeoli kufuna ukuqwalasela ezi zinto zilandelayo:

I-1.Inkqubo ye-Fracturing fluid: Iindidi ezahlukeneyo ze-fracturing fluid systems zifuna iindidi ezahlukeneyo ze-gel breakers ezifakwe kwi-encapsulated.Ngokomzekelo, kumanzi asekelwe kumanzi e-fracturing, i-Ammonium persulphate efakwe kwi-gel breaker kunye ne-potassium persuphate efakwe i-gel breakers idla ngokusetyenziswa;kulwelo olusekwe kwi-oyile, i-hydrogen peroxide efakwe kwi-gel breakers idla ngokusetyenziswa.

I-2.I-Gel-breaking time: Ixesha le-gel-breaking libhekisela kwixesha elifunekayo kwi-encapsulated gel breaker ukukhulula i-gel-breaking agent.Ngokweemfuno zokusebenza kwe-fracturing, ukukhetha ixesha elifanelekileyo lokuqhawula i-gel kunokulawula ngokufanelekileyo i-viscosity kunye ne-gel-breaking effect ye-fracturing fluid.

I-3.Ubushushu kunye noxinzelelo: Imisebenzi ye-Oilfield fracturing idla ngokuqhutyelwa phantsi kobushushu obuphezulu kunye noxinzelelo oluphezulu, ngoko ke kuyimfuneko ukukhetha i-gel breaker encapsulated enokumelana nokushisa okuphezulu kunye noxinzelelo oluphezulu.

I-4.Indleko kunye nenzuzo: Amaxabiso eentlobo ezahlukeneyo ze-gel breakers ezifakiwe ziyahluka, kwaye kuyimfuneko ukuqwalasela ngokubanzi iindleko kunye nenzuzo ye-oilfield fracturing operation.Xa ukhetha i-capsule breaker, kuyimfuneko ukuqwalasela le miba ingentla ngokubanzi, kwaye ukhethe ngokweyona meko.Kwangaxeshanye, iimvavanyo zelabhorathri kunye neemvavanyo zentsimi nazo ziyafuneka ukuze kufunyaniswe olona hlobo lulungileyo kunye nesixa se-encapsulated gel breaker.

Nazi iintlobo ezininzi eziqhelekileyo ze-encapsulated gel breaker:

I-1.I-Ammonium persulphate ifakwe i-gel breaker: Eyona nto isetyenziswa kakhulu kwimimandla yeoli yasekhaya ngoku, inokusebenza kakuhle kokulibaziseka-ukukhutshwa.Ngexesha lokusebenza kwe-fracturing, inokugcina i-viscosity ephezulu ye-gel, enenzuzo ekudaleni iifractures kunye nokuthwala isanti.Emva kokwakhiwa, iyakwazi ukudiliza ngokupheleleyo kwaye ifake i-hydrate i-fracturing fluid, iququzelele i-flowback, ukunciphisa iingozi zokwakha, kunye nokunciphisa umonakalo we-fracturing fluid kwi-conductivity ye-fractures exhasayo.

I-2.I-Hydrogen peroxide ifakwe i-gel breaker: Ifanelekile kwi-oyile-based fracturing fluids kwaye inokwephula kumaqondo aphezulu.Ihydrogen peroxide egqunywe ijeli breaker ayigqabhuki ngoko nangoko ngexesha lomsebenzi wokuqhekeka kodwa ngokuthe ngcembe ikhupha isaphuli kwixesha elithile, ngaloo ndlela ilawula izinga kunye neqondo lokuqhekeka.

I-gel breaker ehlanganisiweyo eyahlukileyo ifanelekile kwiinkqubo ezahlukeneyo ze-fracturing fluid kunye neemeko zokwakha kwaye kufuneka zikhethwe ngokusekelwe kwiimeko zangempela.Xa ukhetha i-gel breaker efakwe kwi-encapsulated, kuyacetyiswa ukuba udibane nenkampani yenkonzo ye-fracturing yobuchwephesha okanye umthengisi wokongeza iikhemikhali ngesisombululo esona sisombululo.

Xa usebenzisa i-encapsulated gel breaker, la manqaku alandelayo kufuneka aqatshelwe:

I-1.Ubushushu: Uluhlu lweqondo lokushisa lokusebenza kwe-gel breaker ehlanganisiweyo luhlala luphakathi kwe-30-90 ° C.Ngaphantsi kwe-30 ° C okanye ngaphezulu kwe-90 ° C, i-gel breaker efakwe kwi-encapsulated isenokungasebenzi kakuhle okanye isebenze kakubi.

I-2.Uxinzelelo: Uxinzelelo olusebenzayo lwe-gel breaker encapsulated luhlala luphakathi kwe-20-70MPa.Ngaphantsi kwe-20MPa okanye ngaphezulu kwe-70MPa, i-gel breaker efakiweyo isenokungasebenzi kakuhle okanye isebenze kakubi.

I-3.Ingqibelelo yeCapsule: Ngaphambi kokusebenzisa i-gel breaker ehlanganisiweyo, kuyimfuneko ukujonga ingqibelelo ye-capsule ukuqinisekisa ukuba i-capsule ayibonakali okanye ivuza.

I-4.Ukuhambelana nezinye izongezo: Xa usebenzisa i-gel breaker encapsulated, ukuhambelana kwayo kunye nezinye izongezo kufuneka kuthathelwe ingqalelo ukuphepha ukusabela okubi.

I-5.Iimeko zokugcinwa: I-gel breaker efakwe kwi-encapsulated kufuneka igcinwe kwindawo eyomileyo, epholileyo, kunye neyomoya, kude nokukhanya kwelanga kunye nokushisa okuphezulu.

Izilumkiso zokhuseleko: Xa usebenzisa i-gel breaker encapsulated, imimiselo yokhuseleko efanelekileyo kufuneka ilandelwe, njengokugqoka iiglavu zokukhusela, iiglavu, njl., ukuphepha ukudibanisa nolusu kunye namehlo.

Ekugqibeleni, xa usebenzisa i-gel breaker encapsulated, kuyimfuneko ukufunda ngokucophelela incwadana yemveliso, ukuqonda ukusebenza kwayo kunye nendlela yokusetyenziswa, kwaye ulandele ngokungqongqo imimiselo yokhuseleko olufanelekileyo kunye neenkqubo zokusebenza.

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