Okubizwa ngokuba yi-reverse circulation kuthetha ukuba xa i-drilling rig isebenza, i-disc ejikelezayo iqhuba i-drill bit ekupheleni kombhobho wokugaya ukusika kunye nokuphula ilitye kunye nomhlaba emgodini. Ulwelo olugungxulwayo luqukuqela ukuya kumngxuma ongezantsi lusuka kumsantsa wonyaka phakathi kombhobho wokubhobhoza kunye nodonga lomngxuma, lupholisa intwana yokomba, luthwale ilitye elisikiweyo kunye neslagi sokugrumba umhlaba, kwaye libuyela emhlabeni lisuka kumngxuma ongaphakathi wombhobho. Kwangaxeshanye, ulwelo olugungxulwayo lubuyela emngxunyeni ukuze lujikeleze. Ngenxa yokuba umngxuma wangaphakathi wombhobho wokubhobhoza uncinci kakhulu kunobubanzi bomthombo, isantya sokunyuka kwamanzi odaka kumbhobho wokubhobhoza sikhawuleza kakhulu kunokokujikeleza okulungileyo. Akunjalo kuphela amanzi acocekileyo, kodwa kunye ne-slag yokubhoboza inokuziswa phezulu kumbhobho wokubhobhoza kunye nokuhamba kwi-tank sedimentation yodaka. Udaka lunokuphinda lusetyenziswe emva kokucocwa.
Xa kuthelekiswa nokujikeleza okulungileyo, ukujikeleza okujikelezayo kuneenzuzo zesantya sokumba ngokukhawuleza, udaka oluncinci olufunekayo, amandla amancinci asetyenziswa yitafile ejikelezayo, ixesha lokucoca imingxuma ngokukhawuleza, kunye nokusetyenziswa kweebhithi ezikhethekileyo zokugaya kunye nokumba amatye.
I-reverse circulation drilling inokwahlulwa ibe yi-gas lift lift reverse circulation, pump suction reverse circulation kunye nejet reverse circulation ngokwemowudi yokuhanjiswa kolwelo olugungxulwayo, umthombo wamandla kunye nomgaqo wokusebenza. I-gas lift up reverse circulation drilling ikwaziwa njengokomba wokujikeleza koxinzelelo lomoya, kunye nomgaqo wayo wokusebenza ngolu hlobo lulandelayo:
Faka umbhobho wokugrumba kumngxuma wokugrumba ozaliswe lulwelo olugungxulwayo, qhubela i-air tight square transmission rod kunye nentwana yokubhola ukuze ujikelezise kwaye usike amatye nomhlaba ngokujikelezisa itafile ejikelezayo, tshiza umoya ocinezelweyo ophuma kumbhobho wokutshiza kwindawo engezantsi. umbhobho wokomba, kwaye wenze umxube werhasi yamanzi entlabathi yodaka lula kunamanzi anomhlaba osikiweyo kunye nesanti kumbhobho wokubhoboza. Ngenxa yesenzo esidityanisiweyo sokumahluko woxinzelelo ngaphakathi nangaphandle kombhobho wokugrumba kunye nomfutho woxinzelelo lomoya, umxube werhasi yamanzi entlabathi yodaka kunye nolwelo olugungxulwayo luyanyuka kunye kwaye lukhutshelwe kumngxuma wodaka lomhlaba okanye itanki yokugcina amanzi ngombhobho woxinzelelo. Umhlaba, isanti, igrabile kunye nobutyobo bamatye buhlala emhadini wodaka, kwaye ulwelo olugungxulwayo luphumela emngxunyeni.
Ixesha lokuposa: Sep-17-2021