Ifihan si epo Casing

Awọn ohun elo fifi epo:

Ti a lo fun liluho daradara epo ni a lo ni akọkọ ni ilana liluho ati lẹhin ipari ti atilẹyin ogiri kanga, lati rii daju ilana liluho ati iṣẹ ṣiṣe deede ti gbogbo daradara lẹhin ipari.Nitori awọn ipo Jiolojikali ti o yatọ, ipamo ipamo. ipo wahala jẹ eka, ati iṣẹ okeerẹ ti fifẹ, compressive, atunse ati awọn aapọn torsional lori ara pipe n gbe awọn ibeere ti o ga julọ siwaju fun didara ti casing funrararẹ.Ni kete ti casing funrararẹ ti bajẹ nitori idi kan, o le ja si idinku gbóògì ti gbogbo daradara, tabi paapa alokuirin.

 

Awọn oriṣi ti idalẹnu epo:

Ni ibamu si SY / T6194-96 "petroleum casing", o le wa ni pin si meji iru: kukuru asapo casing ati awọn oniwe-kola ati ki o gun asapo casing ati awọn oniwe-kola.

 

Iwọn epo ati iṣakojọpọ:

Ni ibamu si SY / T6194-96, abele casing yẹ ki o wa ti so pẹlu irin waya tabi irin igbanu.

Awọn casing yoo wa ni ipese pẹlu o tẹle ara ati kola ni ibamu si API SPEC 5CT1988 akọkọ àtúnse tabi ni eyikeyi ninu awọn wọnyi paipu opin fọọmu: alapin opin, yika o tẹle lai kola tabi kola, aiṣedeede trapezoidal o tẹle pẹlu tabi laisi kola, taara o tẹle, pataki opin processing. , asiwaju oruka ikole.

 

Iwọn irin fun apo epo epo:

Ipele irin casing epo le pin si oriṣiriṣi awọn onipò irin ni ibamu si agbara irin funrararẹ, eyun H-40, J-55, K-55, N-80, C-75, L-80, C-90, C -95, P-110, Q-125, ati be be lo.Awọn ipo ti o yatọ si daradara, ijinle daradara, lilo ti irin ite tun yatọ.The casing ara tun nilo lati wa ni ipata-sooro ni ibajẹ awọn agbegbe.Ni awọn aaye ti o ni awọn ipo-ara-ara ti o pọju, a tun nilo casing lati wa ni sooro si fifun pa.

 

Ilana iṣiro iwuwo ti epo epo jẹ bi atẹle:

KG / m = (lode opin - odi sisanra) * odi sisanra * 0,02466

 

Gigun idalẹnu epo:

Nibẹ ni o wa mẹta orisi ti ipari pato nipa API: R-1 4.88 to 7.62m, R-2 7.62 to 10.36m, R-3 10.36m to gun.

 

Irú àpò epo epo:

API 5CTEpo epo orisi mura silẹ ni STC (gekuru kukuru kukuru), LTC (gigun iyipo gigun), BTC (didi akaba apa kan), VAM (ọba murasilẹ) ati awọn iru murasilẹ miiran.

 

Ayẹwo iṣẹ ṣiṣe ti ara ti epo epo epo:

(1) Ni ibamu si SY / T6194-96.Lati ṣe idanwo fifẹ (GB246-97) idanwo fifẹ (GB228-87) ati idanwo hydrostatic.

(2) Idanwo hydrostatic, idanwo fifẹ, idanwo ipata ipata sulfide, idanwo lile (ASTME18 tabi E10 tuntun ti ikede), idanwo fifẹ, idanwo ipa ipada (ASMA370, ASTME23 ati ẹya tuntun ti awọn iṣedede ti o yẹ) ni ibamu si awọn ipese ti American Petroleum Institute APISPEC5CT1988 àtúnse akọkọ Ok), ipinnu iwọn ọkà (ASTME112 titun ti ikede tabi ọna miiran)

 

Akowọle epo ati okeere:

(1) Awọn orilẹ-ede agbewọle akọkọ ti epo epo ni: Germany, Japan, Romania, Czech Republic, Italy, United Kingdom, Austria, Switzerland, United States, Argentina, Singapore tun gbe wọle.Awọn ajohunše agbewọle tọka si American Petroleum Institute boṣewa API5A, 5AX, 5AC.Steel grade jẹ H-40, J-55, N-80, P-110, C-75, C-95 ati bẹbẹ lọ. Awọn alaye akọkọ jẹ 139.77. 72R-2, 177.89.19R-2, 244.58.94R-2, 244.510.03R-2, 244.511.05r-2, ati be be lo.

(2) Awọn iru gigun mẹta lo wa nipasẹ API: R-1 jẹ 4.88 ~ 7.62m, R-2 jẹ 7.62 ~ 10.36m, R-3 jẹ 10.36m si gigun.

(3) Apakan awọn ọja ti a ko wọle jẹ ti samisi pẹlu LTC, ie, apo idii filamenti.

(4) Ni afikun si awọn iṣedede API, nọmba kekere ti bushing ti o wọle lati Japan ni ibamu pẹlu awọn iṣedede ti awọn aṣelọpọ Japanese (bii Nippon Steel, Sumitomo, Kawasaki, ati bẹbẹ lọ), awọn nọmba irin jẹ NC-55E, NC-80E, NC -L80, NC-80HE, ati be be lo.

(5) Ninu awọn ọran ti ẹtọ, awọn abawọn irisi wa bii buckle dudu, ibajẹ okun waya, fifọ paipu ara, buckle baje ati okun to ṣoro kuro ninu ifarada, idapọ J iye jade ti ifarada, ati awọn iṣoro didara inu bi fifọ brittle. ati kekere ikore agbara ti awọn casing.

Awọn ohun-ini ẹrọ ti kilasi irin kọọkan ti epo epo:

boṣewa

brand

Agbara fifẹ (MPa)

Agbara ikore (MPa)

Ilọsiwaju (%)

lile

API SPEC 5CT

J55

P 517

379 ~ 552

Wa-soke tabili

 

K55

P 517

P655

 

N80

P689

552 ~ 758

 

L80(13Cr)

P655

552 ~ 655

241 hb tabi kere si

P110

P862

758 ~ 965

 

Akoko ifiweranṣẹ: Oṣu Kẹwa-12-2022