Maitiro Ekugadzirisa uye Kuburitsa RTTS Packer

Ruzivo nezve RTTS Packers

RTTS (Kuongororwa Kunogona Kudzoserwa-Kurapwa-Kusvinwa)vapakejimapaki makuru, anogona kutorwa anokwanisa kutsungirira kumanikidzwa kwemativi maviri. Akagadzirirwa kuita mabasa akasiyana-siyana mumabasa akadai sekuyedza kuumbwa, kuisa acid, uye kuisa simende, zvichibvumira mabasa akasiyana-siyana kuti apedzwe kamwe chete. Nekuda kwekushanda kwawo kwakasiyana-siyana, mapaki eRTTS anowanzo shandiswa mukuyedza kwedu kugadzira. Kuti tinzwisise zviri nani chimiro chemukati chechishandiso ichi, tinofanira kuchiongorora zvakadzama, izvo zvichatibatsira kugadzirisa matambudziko angamuka panguva yekuvaka uye mushure mekugadzirisa.

1. Tsanangudzo yeRTTS Packers

Mapakeji eRTTS akavharwa nemakanika, akaita semachira emaoko, ane mudziyo wekusimbisa hydraulic. Anonyanya kushandiswa pakupwanya uye kuita kuti pave neacid, asi anogonawo kushandiswa pakuita mabasa ekudzikisa maburi akadai sekuyedza matsime, kuisa mvura, uye kusvina simende.

MaRTTS packers zvishandiso zvine hunyanzvi zvinoshandiswa kuvhara mafuta, gasi, nemvura mukati megomba rine tsime. Anoshandisa simba rekunze kupfupisa kureba kwerabha silinda uye kuwedzera dhayamita yayo. Nekuvhara mafuta nenzvimbo ye annular, packer inobvisa mafuta (kana gasi/mvura) ari pamusoro nepasi, zvichizadzisa chinangwa chekuedza matsime emafuta negasi.

Mapakeji eRTTS anouya muhukuru hwakasiyana-siyana, anosanganisira 4 1/2 inches, 5 inches, 5 1/2 inches, 7 inches, uye 9 5/8 inches. Saizi yega yega yepakeji ine J-slot reversing mechanism, mechanical slips, packer body, uye hydraulic anchoring structure. hydraulic anchoring structure inodzivirira pakeji kuti isasundirwe kumusoro kana kumanikidzwa kuri pasi pepakeji kwakanyanya. Nekuda kwebasa iri re hydraulic anchoring, chishandiso ichi chakanyatsokodzera kuyedza matsime asina kumanikidzwa.

Nhamba dzemamodeli emapakeji dzinoenderana nehukuru hwadzo: 4 1/2 inches, 5 inches, 5 1/2 inches, 7 inches, uye 9 5/8 inches, zvichiita kuti dzikwanise kushandiswa mugomba rakasiyana-siyana.

2. Kuumbwa kweChimiro:

Chigadziko ichi chine chibatiso chehydraulic, sirinda yerabha, chinotsvedza, uye chivharo chinotungamirira.

3. Zvimiro:

a) Chinongedzo che hydraulic chakasungirirwa nechubhu yekumanikidza, izvo zvinogona kudzivirira kusuduruka kwechikamu chepamusoro chepacker.

b) Chinotsvedza chinoparadzaniswa nechinhu chinokweshana uye chinomanikidzwa mugomba rakatetepa risina kuvharwa.

c) Chishandiso cheJ-shaped otomatiki chiri nyore kushandisa.

d) Chinobatanidza slip-type packer casing ne tungsten carbide alloy block uye hydraulic anchoring device zvinoita kuti zvive nyore kuisa packer.

4. Zvaunofanira Kufunga Nezvekushanda

a) Usati watanga kudonhedza pasi pechirongo chemupakiri, zvinodikanwa kuti uchiise zvizere mugomba wochisuka kuti uve nechokwadi chekuti hapana zvinhu zvakaoma mumugodhi zvinotadzisa chirongo kuti chisadzikiswe uye chisamire.

b) Muchina wekubatanidza unofanira kushanda zvakanaka uye zvishoma nezvishoma. Hapana bhatani rekumisa nekukurumidza rinofanira kuiswa kudzivirira kuti muchina wekubatanidza usashande netsaona uye usakiyiwe.

c) Nzvimbo yekuisa inofanira kudzivirira kubatana kweimba yemuchina.

d) Kana pasina kuvharika kwakaitika panguva yekuvhurwa kwepombi, pombi inofanira kuburitswa zvakare kusvika yasvika pakadzika kwetsime kuitira kuti chivharo chesimbi chakaiswa mubhokisi chigone kubviswa kubva mubhokisi uye kusimudzwa.

5. Mabhenefiti eRTTS Packers

1. MaRTTS packers ndiwo maturusi anonyanya kushandiswa pakuongorora matsime emafuta. Anonyanya kukodzera matsime ane simba shoma, asingapindi mvura yakawanda uye matsime emafuta anorema (asingazvipfapfaidzire), uye kana paine kusvibiswa kwakanyanya kunoitika panguva yekuchera, kuisa simende, uye mamwe maitiro ekuvaka. Nekuda kwekurasikirwa kukuru, huwandu hwakawanda hwematsime ekuyedza hunodiwa, uye kudzoserwa kwemvura kwakawanda kunodiwa kuti uwane parameter chaiyo yemvura uye maumbirwo.

2. Zvishandiso zveRTTS zvekupwanya mapfupa zvinogona kuyedza TCP (Conventional Fracturing) + MFE (Multi-stage Fracturing), uye zvinogonawo kuyedza katatu TCP (Conventional Fracturing) + MFE (Multi-stage Fracturing) + JET (hydraulic pump drainage), uye zvobva zvaita TCP (Conventional Fracturing) + MFE (Multi-stage Fracturing) + JET (hydraulic pump drainage) + acidizing uye mamwe matekinoroji mana matsva akabatanidzwa.

3. Maturusi eRTTS packer ari nyore kushandisa, anochengetedza mari, anogona kuderedza mari zvakanyanya, uye ane mabhenefiti akanaka ehupfumi nemagariro evanhu.

Mapakeji eRTTS (Retrievable Test-Treat-Squeeze) mapakeji anovhura zvizere, anogona kudzoserwa anoshandiswa pakuedza, kurapa, uye kusimbisa. Kazhinji, chishandiso ichi chinoshandiswa pasi nevharuvhu inotenderera. Muviri wepakeji unosanganisira J-slot mechanism, mechanical slips, packer element, uye hydraulic slip. Mapakeji makuru, anorema ari mu hydraulic locking mechanism anobatsira kudzivirira chishandiso kuti chisapinzwe mugomba. Kune ma pakeji ane ≤ 3 1/2 inches (88.9 mm), drag spring inoshandisa J-slot mechanism, nepo kune ma pakeji ane saizi ≥ 4 inches (101.6 mm), drag block inoshandiswa. Mapakeji ese ane J-slot sleeve otomatiki. Kana circulating valve ikashandiswa, inenge iri ye locking open/locking closed type, iyo inogona kushandiswa se circulating valve uye bypass valve. Kana pakeji yaiswa, vharuvhu inovhara yega panzvimbo yakavharwa. Panguva yekuedza kana kuisa simende, mudziyo wekukiya unodzivirira vharuvhu kuti isavhurike. Nzvimbo yakatwasuka yeJ iri panzvimbo yekukiya inoenderana nenzvimbo yakatwasuka yeJ (zvingasarudzwa) iri mumuviri wepacker. Musanganiswa uyu unobvisa kudiwa kwekutenderedza chubhu kuti ivhare vharuvhu inotenderera kana kudzoreredza packer mushure mekunge chubhu yabviswa nesimende.

Zvimiro:

1. Dhizaini yakazara yebore repacker mandrel inobvumira huwandu hwakawanda hwemvura kuti hupfuure nepachishandiso. Pfuti dzinoboora dzinofambiswa nemachubhu nezvimwe zvishandiso zvewaya zvinogona kufambiswa nepacker.
2. Chigadziko chinogona kuiswa uye kuiswazve panzvimbo yacho kakawanda kuburikidza nekushandisa machubhu ari nyore.
3. Tungsten carbide inserts dzinopa simba guru rekubata uye dzinodzivirira kupfeka zviri nani, izvo zvinonyanya kushanda kana zvikashandiswa mu casing yakasimba. Kumanikidzwa kunoshandiswa nepachubhu kunoita kuti inserts dziri mu hydraulic locking mechanism dzishande.

4. Vharuvhu inotenderera yakabatanidzwa inovhara yakavhurika kana yakavharwa panguva yekuedza kudzvanywa uye inovhurwa zviri nyore kana zvichidikanwa kuti ibvumidze kutenderera pamusoro pechipaketi.

Mashandiro:

Kuti paki igadziriswe, chishandiso chinodzikiswa zvishoma pasi penzvimbo yaunoda yekuisa uye chobva chasimudzwa uye chotenderedzwa kakawanda. Kana chishandiso chiri pasi, zvingangodiwa kuti chitenderedzwe nehafu yekutendeuka. Zvisinei, mumatsime akadzika kana akatsauka, kutenderera kwakawanda uchishandisa chishandiso chinotenderera kunogona kudiwa. Kuti uchengetedze nzvimbo, torque yeruoko rwerudyi inofanira kuchengetedzwa kusvika michina iri pamudziyo yagadziriswa uye yatanga kutakura huremu. Kumanikidzwa kwakaringana kunofanirwa kuiswa kumativi ese epaki kuti paki ibudiswe. Painoburitsa vharuvhu rinotenderera rinoramba rakavharwa, zvichiita kuti kutenderera kwemvura kudzoke pasi pepaki. Kana vharuvhu radzikiswa, rotenderedzwa kurudyi, uye rosimudzwa, vharuvhu rinotenderera rinovhurika kuti mvura itenderedzwe kubva mugomba.

Maitiro Ekugadzirisa uye Kuburitsa RTTS Packer

Usati watanga kudzika pasi pepacker, fambisa sleeve ye friction block kumusoro nekudzika kakawanda kuti utarise kufamba kwemechanical slips, wobva waipinza mugomba.

Paunenge uchigadzirira kupinda mugomba, kiya vharuvhu inotenderera panzvimbo yakavhurika; nzvimbo yeJ iriwo panzvimbo yakakiyiwa, kureva kuti, lug iri panzvimbo yeJ-slot hook, uye slip iri mumamiriro ekudzoserwa.

Munguva yekumhanya, nzira yekutsvedza inotsvedza kumusoro, ichiisa maslip emakanika uye ichivhara vharuvhu inotenderera. Kuti vharuvhu isavharwe netsaona, dzikisa tambo yechubhu woitenderedza kurudyi, woisimudza panzvimbo yakavhurika, wozoitenderedza kuruboshwe kuenda panzvimbo yakavhurika yakakiyiwa, uchingwarira kuti usabvise tambo yechubhu.
Kana chishandiso chasvika panzvimbo yekuedza panofanira kuitwa mabasa, chidzikise zvishoma pasi penzvimbo yekuisa, wobva wachisimudza panzvimbo yekuisa.
Dzorera pasi, tenderedza tambo yechubhu kakati wandei kurudyi, uchitenderedza chishandiso nehafu chete.

Chengetedza simba reruoko rwerudyi patambo yepombi uye isa huremu pazvitsigiro zvemakanika.Rega kudzikisa tambo yechubhu, itenderedze kuruboshwe, uye sunungura torque yeruoko rwerudyi. Kazhinji, kutenderera kwehafu yemamita 300 ega ega kwakakwana, uye haifanirwe kudarika huwandu hwekutenderera kweruoko rwerudyi panguva yekuisa.

Paunenge uchishandisa torque yeruoko rwerudyi, dzikisa tambo yechubhu papacker, uchiisa chishandiso mumamiriro ekushanda aunoda.

Vhura vharuvhu inotenderera wochengetedza mvura, tenderedza tambo yechubhu kurudyi, wobva waisimudza; isa simba pachubhu woramba uchisimudza kusvika kutenderera kweropa kwaitika. Zvino bata panzvimbo iyi, isa mvura, wobva wasunungura tambo yechubhu kusvika kumanikidzwa kwemvura kwapera, uchibvumira chishandiso kutanga kutakura huremu. Tenderedza kuruboshwe wosunungura simba, wobva waramba uchideredza huremu kusvika paki yagadziriswa zvakare nechinhu chaunoda.

Kana wapedza kuyedza nekusunungura chirongo, tanga waenzanisa kumanikidzwa kwechinhu chinorongedza. Wobva wasimudza tambo yechubhu usingachitenderedze, nokudaro uchichengetedza vharuvhu inotenderera iri munzvimbo yakavharwa uye woita kuti kutenderera kwemvura kutenderere muchirongo.

Dzikisa chubhu, tenderedza tambo yechubhu, wobva waisimudza, nokudaro uchivhura vharuvhu inotenderera, uye chishandiso chinogona kuburitswa kubva pamusoro petsime.