API 7-1 Drilling Livalve tsa Likhoele tse Hlahelitsoeng

API 7-1 Drilling Livalve tsa Khoele

Tlhaloso e Khutšoanyane:

Li-valve tsa likhoele tsa ho phunya li emisa mokelikeli hore o se ke oa phalla holim'a khoele ea ho phunya hangata haeba boro e raha ebe karoloana e theoha tlase.LANDRILL e ka fana ka boleng ba boleng bo felletseng ba ts'ireletso e felletseng (FOSV), Kelly valve, Inside blowout preventer(IBOP), Drop-in check valve. , Belofo ea ho phaphamala.

Re romelle lengolo-tsoibila

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Phallo e Feletseng ea Tšireletso (FOSV)

Seqhubu se Feletseng sa Polokeho sa Polokeho (e khuts'oane bakeng sa FOSV) ke valve ea mofuta oa bolo e sebelisoang ho emisa ho phalla ka khoele ea ho phunya ha khoele ea ho phunya e ntšoa selibeng.

FOSV ke valve ea 'mele e bulang ka botlalo, kahoo ha e kena-kenane le tšebetso ea lisebelisoa tse kang libarele tsa mantlha kapa lisebelisoa tsa tlhahlobo.E etselitsoe ho hlajoa ka lenonyeletsong le ka holimo la phaephe ea ho phunya kapa khoele ea li-tubing mokatong oa sekontiri ebe oa koaloa kapele haeba seliba se ka raha.

Ha o reka ka kopo, hlakisa:
Khokahano.
OD le ID
Khatello ea Mosebetsi: 5,000 / 10,000 / 15,000 PSI;

Kelly valve

Kelly valve e boetse e bitsoa Kelly cock kapa Grey valve.Ke valve e laolang letsoho tsamaisong ea ho potoloha ha likhoele 'me ke e' ngoe ea lisebelisoa tse sebetsang ho thibela ho phatloha.Kelly valve e arotsoe ka Upper Kelly Valve le Lower Kelly Valve.Upper Kelly Valve e hokahane le swivel sub le Kelly.Belofo ea Lower Kelly e hokahane le pheletsong e ka tlase ea Kelly le phala e kaholimo ea phaephe kapa karolo e tlase ea Kelly save sub.Ho potoloha wrench ea valve ea tšireletso e bulehileng ka ho feletseng 90 ° ho lemoha le ho tima.Mosebetsing oa ho cheka, e le ho qoba likotsi tse mpe, li-valve tsa Kelly li lokela ho hokeloa mahlakoreng ka bobeli a Kelly ho thibela tahlehelo ea ho cheka le ho phatloha.Kelly cock valve, e leng valve ea bolo e sebelisoang ka letsoho e tsamaisoang ka ID ea khoele ea ho phunya, Ke e 'ngoe ea lisebelisoa tse sebetsang tsa ho thibela ho phatloha.

Mokoko oa kelly o arotsoe ka valve e ka holimo ea kelly le e tlaase ea kelly.
Mokoko o ka holimo oa kelly o hokahane le ntlha e tlase ea swivel le karolo e ka holimo ea kelly.Mokoko o tlase oa kelly o hokahane le ntlha e kaholimo ea phaephe ea ho phunya le pheletsong e ka tlase ea kelly kapa e hokahane lipakeng tsa karolo e tlase ea kelly saver subs.
Kelly Cock e na le ts'ebetso e bonolo, Kelly Cock e ka Busoa kapa ea Thupeloa ka ho bulela spanner e khethehileng ka likhato tse 90 ho latela tataiso.Nakong ea ts'ebetso ea ho cheka, koko ea kelly e tla hokahanngoa karolong e ka holimo le e ka tlaase ea kelly.

Ha o reka ka kopo, hlakisa:
Mofuta o kaholimo kapa o tlase;
Sesebelisoa OD;
Khatello ea Mosebetsi: 5,000 / 10,000 / 15,000 PSI;
Khokahano ea lisebelisoa.

Hare BOP

Inside blowout preventer (Inside BOP) ke sesebelisoa se khethehileng, se ka phunyeletsoang ka BOP preempt ho kopanngoa le lisebelisoa tse eketsehileng tsa ho phunya kapele kamoo ho ka khonehang, ha ho phatloha ho etsahala nakong ea ho phahamisa lisebelisoa tsa ho phunya, ho thibela ho phunyeha ka hare ho na le tse ngata. melemo e kang khatello e phahameng, e tiisitsoeng e ka tšeptjoa, e bonolo ho sebetsa, fetola kapele joalo-joalo.

Ha o reka ka kopo, hlakisa:
Sesebelisoa OD;
Khatello ea Mosebetsi: 5,000 / 10,000 / 15,000 PSI;
Khokahano ea lisebelisoa.

Nakong ea sesebelisoa sa ho phunya se tsoa ka sekoting, ho phatloha ho etsahala ka lebaka la sephetho sa ho monya, Ha mokelikeli, oli, mouoane kapa metsi a tsoa pompong ea ho phunya, mochini o thibelang ho phunya ka hare o lokela ho hokahanngoa kapele ho phala ea ho phunya. se thibelang ho phatloha se ka hokeloa ha bonolo ho phaephe ea ho phunya ka lebaka la hore belofo ea sethiba se thibelang ho phatloha e sebakeng se bulehileng 'me mokelikeli o ka tlas'a lesoba o ka phalla ho tsoa ka hare ho se thibelang ho phatloha ha se le sebakeng se bulehileng 'me mokelikeli o ka mokoting o ka tlaase o ka phalla ho tsoa. ea ka hare blowout preventer, The relief rod ka koala valve ka ho screw out the locking bolt, hona joale, ka hare blowout preventer lumella mokelikeli ho pompeloa ka sekoting ho tloha holimo ho ea tlase, empa mokelikeli oa lesoba ha o khone ho phalla drill string 'me qetellong e phalle ka ntle ho blowout preventer Ka nako eo morero oa ho thibela blowout van fihlellwa ka mehato e latelang, Discharge sub subregulate mokelikeli le qala ho potoloha pompo.

Valofo ea ho hlahloba e theoha

Li-Valves tsa Drop-In Check li thibela ho phalla ha ho khutla nakong ea ho raha 'me li loketse maemo a mangata a ho cheka ao ho khutla ho phallang ka khoele ea ho phunya ho kotsi' me ts'ebetso e tloaelehileng e hloka melemo ea sub-bore sub.Ka ho thibela ho phalla ho ea holimo ka pipe ea ho phunya, empa ho lumella mokelikeli hore o pompeloe ho ea tlaase ho potoloha seliba, li-valve li fa motho ea phunyang mokhoa oa ho laola likhatello tsa lipeipi tsa ho phunya ha ho hlokahala, ho ntlafatsa haholo le ho nolofatsa taolo ea seliba.

Ha blowout e tla etsahala, likhokahano tsa khoele tsa kelly lia tima hang-hang ebe ho kenya valve e kenang ka har'a phaephe ea ho phunya ebe e pompeloa ho ea tlase sebakeng se hlokahalang. Kahoo ho phatloha ho ka thibeloa.

Ha o odara ka kopo hlalosa
E nyenyane ka ho fetisisa e phunyeletsoeng ka khoele ea ho cheka eo valve ea ho hlahloba e lokelang ho feta ho eona.
Boholo ba khokahano e nyane ea ho lulisa le mofuta.
Ka ntle ho bophara ba lisebelisoa tsa ho nyalana.

Sephahla se phaphametseng

Sephahla se phaphametseng se thibela maro a chekang, likhechana le lithōle tsa tšepe hore li se ke tsa khutlela holim'a khoele ea boro.Ha e kentsoe ka nepo khoeleng ea ho phunya li-valve tsena li fana ka thibelo e eketsehileng ea ho phatloha.

Belofo ea float e ka sebelisoa kae kapa kae ho tloha holimo ho ea tlase ho khoele ea ho phunya.Sebaka seo e leng ho sona haholo ke BHA (kopano e ka tlase ea lesoba) e kenyelletsang hanyane, 'me e ka kenyelletsa karoloana e nyane, haufi le "bit stabilizer", li-stabilizer tse ling, float sub, sub-over, motor motor (top sub), molala oa ho cheka, le pompo ea ho phunya.Li-valve tse ngata tsa float li ka sebelisoa ka khoele e le 'ngoe, le hoja ho sa khothaletsoe ho pata habeli ka lebaka la tšenyo e ka bang teng ho valve ea float maemong a khatello e phahameng.Ho e-na le hoo, arola li-valve ka lihlopha tse fapaneng tsa lisebelisoa.

Li-valve tsa float Pipe (DP) li fumaneha bakeng sa tšebeletso e tloaelehileng, tšebeletso ea H2S - 300 ° F (HNBR/HSN) le tšebeletso ea H2S - 400 ° F (Viton.)

Mohlala oa F, FA:1R, 1F2R, 2F3R, 3F, 3½ IF, 4R, 4F, 5R, 5F6R, le 6F
Mohlala oa G, GA, GC:1F2R, 2F3R, 3F, 3½ IF, 4R, 4F, 5R le 5F6R

Ha o reka ka kopo, hlakisa:
Mofuta oa valve ea float (Model F kapa Model G);
Boholo ba valve ea float;
Khokahano le OD ea sub.