I-1, Umgaqo: Emva kokuba isixhobo sokusika i-chain-blade sinqunywe ngokuthe nkqo kwaye ngokuqhubekayo ukuya kubunzulu boyilo, sityhalwa ngokuthe tye kwaye sitofwe ngodaka lwesamente ukwenza udonga oluqhubekayo, olulinganayo kunye nodonga lwesamente olungenamthungo;
2, Faka izinto ezingundoqo (intsimbi emile okwe-H, njl.njl.) kudonga lokuxuba lwesamente lobukhulu obulinganayo ukwenza ukugcinwa okuhlanganisiweyo kunye nesakhiwo sokumisa amanzi.
Indlela yeTRD . Iimpawu kunye noMda1. Iyasebenza kudongwe, isanti, igrabile kunye nemigangatho yegrabile, kwaye inokusetyenziswa kakuhle kumaleko wesanti eshinyeneyo kunye nexabiso lokungena eliqhelekileyo le-30-60 kunye nelitye elithambileyo elinamandla oxinzelelo oluyi-uniaxial angagqithiyo kwi-10 MPa.2. Ubunzulu bodonga olugqityiweyo bungafikelela kwiimitha ezingama-70, kwaye ukutenxa kokuthe nkqo akuyi kuba nkulu kune-1/250 (xa i-TRD verticality deviationist ingekho ngaphezulu kwe-1/300 xa isetyenziswa njengokuqiniswa kweendonga zangaphakathi nezingaphandle udonga lomhlaba);
3.Ubukhulu bodonga 550-950 mm;
4. I-samente ixutywe ngokulinganayo, kwaye i-compressive strength engathintekiyo yi-0.5-2.5MPa;
5. Udonga lunokuchasana kwamanzi okulungileyo, kwaye i-coefficient ye-permeability inokufikelela kwi-1 × 10-6 cm / s ukuya kwi-1 × 10-7 cm / s kumhlaba oyisanti;
6. Ukuqhawulwa kweeprofayili ezidibeneyo kunokucwangciswa ngokulinganayo kunye neendawo ezilinganayo, kwaye ukuqina kwe-enclosure kufana kakhulu;
7. Ubude obuphezulu boomatshini bokwakha ngokuqhelekileyo abukho ngaphezu kweemitha ezili-12. kunye nombindi womxhuzulane wesakhelo sokwakha uphantsi, unozinzo oluhle.
Ukuba uneemfuno kwi-rotary drilling rigs, nceda uqhagamshelane nezinye iinkcukacha kunye nengxoxo.
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Ixesha lokuposa: Jun-12-2023