API 5DP Laum Yeeb Nkab
Laum yeeb nkab yog hollow, tuab {{{{}}} piped piping uas transmits drilling tho kev rau lub laum me ntsis ntawm lub drilling rig. Nws yog tsim kom muaj kev tiv thaiv sab hauv loj thiab sab nraud, distortion, khoov, thiab nqa hauv qab lub rooj sib txoos (BHA). Laum yeeb nkab yog threaded rau txhua qhov kawg hauv ib ntu ntawm cov yeeb nkab xa mus rau raws li cov cuab yeej sib koom tes. Nws yog tsim, qhov tsis pom zoo, kuaj, thiab tshuaj xyuas raws li cov qauv kev qhia tshwj xeeb xws li Asmeskas Petroleum Lub Koom Haum (API).
Hom
TXHEEM LAUM PIPESYog cov tshooj ntev ntev ntawm cov yeeb nkab uas ua rau feem ntau ntawm cov hlua laum. Lawv feem ntau yog 31 ko taw ntev ntu ntawm tubular cov yeeb nkab tab sis tej zaum yuav nyob qhov twg los ntawm 18 txog 45 ko taw hauv ntev.
Hnyav Luj Laum Yeeb (HWDP)yog lub tubular yeeb uas ntxiv hnyav lossis ua raws li daim ntawv transitional hauv txoj hlua laum. Raws li ntu ntu ntawm txoj hlua laum, nws tau muab tso rau ntawm lub laum dab tshos thiab txheem xyaum laum yeeb nkab kom txo cov rog tsis taus. Hauv lwm cov ntawv thov HWDP yog siv los ua qhov hnyav ntxiv kom hnyav cia txoj hlua laum.
LAUM DUAVyog ib feem ntawm cov hlua laum uas ua rau ib feem ntawm BHA. Lawv yog thicker -} walled, hnyav dua, thiab ntau yam siv kom hnyav thaum Dampening kev co thiab cuam tshuam cov rog.
Tho Yeeb QEEM
Laum Cov Txheej Txheem Yeeb Nkab suav nrog cov qhab nia API (E-75, x-95, & s-135), nrog rau cov qib kawm.
API qib Laum Yeeb Nkab
API spec 5DP Qhia meej cov kev ua haujlwm ntawm kev siv hlau thiab ntau dua-} pa pob qij txha PS-1 qhia meej phab ntsa tuab, cuam tshuam lub zog, thiab tawm lub zog yuav tsum muaj tshwj xeeb rau cov khoom kawm. Cov qib siab tshwj xeeb PL-2 / PL-3 muaj cov kev xav tau ntxiv.
<
|
API Laum Cab Qib |
Yam tsawg kawg nkaus xa lub zog (PSI) |
Yam tsawg kawg tensile lub zog (psi) |
|
E-75 |
75,000 |
100,000 |
|
X-95 |
95,000 |
105,000 |
|
G-105 |
105,000 |
115,000 |
|
S-135 |
135,000 |
145,000 |
Qib e tho yeeb yaj kiab, xa mus rau "hlau me me", nthuav tawm cov nplooj ntawv qis tshaj plaws muaj zog rau ib qho chaw nrog cov txiaj ntsig lub zog ntawm tsawg dua 80,000 PSI. Nws muaj peev xwm tiv thaiv ntau feem pua ntawm ncab lossis "lim" ua ntej ua ntej ua ke dua cov zog ntsuas cov kab yeeb nkab. Nws kuj tseem tiv taus kev xeb thiab tawg. Qib E yog siv hauv nruab nrab qhov tob tob los ntawm 10,000 mus rau 15,000 ko taw.
Qeb X-95, G-105, thiab S-135 tau txiav txim siab qib siab. Lawv tso tawm cov txiaj ntsig ntau ntxiv lub zog uas yuav tsum tau muab kev pabcuam tob.
Cov Qib
Cov qhab nia tsim nyog feem ntau tshaj cov specifications teev los ntawm API spec 5DP. Lawv cov khoom ua tau zoo txhim kho tau tsim los rau cov kev pab qaub, kev pabcuam tseem ceeb, thiab lwm tus siv {{2} {txhais tau tias yuav tsum tau ua.
QIB Kev Pabcuam Qib Tawm tiv thaiv sulphide kev nyuaj siab corrosion (SSC). SSC tuaj yeem tshwm sim thaum hydrogen sulfide yog tam sim no. Ingress ntawm hydrogen txuas nrog kev ntxhov siab ntau dua, qis kub, qis chloride cov ntsiab lus txo nws tau raug rau tawg thiab tsis ua tiav.
Cov kev pab cuam tseem ceeb tiv thaiv kev corrosion thaum cov roj qab zib lossis cov pa roj carbon dioxide tam sim no. Lawv yog tus nqi hloov kho tau zoo uas siv rau hauv cov ntawv thov kev txhaj tshuaj.
Sizing
Laum yeeb nkab yog tsim raws cov qauv kev qhia thiab raug muab rau hauv cov neeg sawv ntsug. Qhov ob qhov kev ua haujlwm tseem ceeb tshaj plaws yog qhov ntev thiab cov taub.
Qho ntev
Txoj hlua laum yog ua los ntawm ntau ntu ntawm cov yeeb nkab laum. Lo lus "sawv ntsug" yog hais txog ob lossis peb ntu ntawm cov yeeb nkab laum uas tau pub rau hauv lub tsev pheeb suab kom tiav 60 txog 90 ko taw ntawm kev drilling. Txhua ntu ntawm cov yeeb nkab, xa mus rau raws li ib "ib qho", tau cais los ntawm API mus rau hauv peb lub sijhawm sib txawv; R1, R2, thiab R3.
Ntau yam 1 (R1) yog luv tshaj plaws nyob rau hauv ntev, ntau dua rau sizing ntau lawm tubing lossis casing, thiab li 22 ft.
Ntau 2 (R2) yog suav hais tias yog tus qauv ntev rau cov yeeb nkab laum thiab ranges los ntawm 27 txog 31 ft.
Ntau yam 3 (R3) muaj ntau yam nyob rau hauv casing thiab kuj tau xa mus rau hauv kev lag luam drilling dej tob. Cov ntev nce poob qis dua tus naj npawb ntawm cov cuab yeej sib koom ua ke hauv txhua qhov muag ntawm cov yeeb nkab laum. Lub caij nplooj zeeg rov qab hais tias lub nra tau tshoov siab rau txhua lub cuab yeej sib koom tes yog ntau dua nce hnav thiab txo lub neej kev xav tau ntawm cov yeeb nkab laum. R3 ranges los ntawm 38 txog 45 ft.
Qhov dav
Cov uas hla sab nraud (OD) ntawm cov kav dej laum yog muab rau hauv cov nominal ntau thiab tsawg tshaj tawm los ntawm {}}6 5 / 8 ". Qhov txoj kab uas hla ntawm cov yeeb raug xaiv raws li lub duav ntawm lub taub. Txhawm rau kom ua tau zoo ncig xyuas cov av nkos thiab txo qis siab poob, qhov piv ntawm tho cov kab sab nraud ntawm lub cheeb tsam Borehole inch yuav tsum yog 0.6.
Cuab Yeej Siv
Txhua qhov kawg ntawm cov yeeb nkab sib xyaw ua ke, thiab yog sib txawv los ntawm txiv neej xov txuas tau xa mus ua "tus poj niam xov kev twb kev txuas uas tau xa mus rau raws li" lub thawv ". Lawv yog pre - siv ntaub thiab welded rau hauv yeeb nkab. Lub cuab pob qij txha muab siab - lub zog, xov paj sib txuas. Lawv yog cov tshuaj kub ua rau lub zog siab dua li cov hlau ntawm lub raj raj ntawm drilling thiab ntau lub voj voog ntawm zawm thiab xoob ntawm cov xov. Cuab yeej ua ke yog teev los ntawm chim thiab xov hom.
Chim
Uset (xov {-}} xaus tiav) yog hais txog phab ntsa ntawm lub cuab yeej sib koom tes ntawm txoj xov txuas. Laum cov yeeb nkab tau muab nrog rau sab hauv (IU), EU), lossis sab hauv- sab nraud chim (IEU).
IU {- Nyob rau hauv ib qho kev chim sab hauv ntau ntxiv raws cov phab ntsa uas raug tshem tawm rau hauv cov hlau uas muaj kev sib tw, ncaj sab nraum phab ntsa.
Eu - Nyob rau sab nraud sab nraud ntawm cov hlab me ntawm lub hlab ntsha
IEU - Nyob rau hauv ib sab hauv- sab nraud chim tuab yog nce raws ob sab hauv thiab sab nraud tshem tawm rau cov ntawv tshem tawm hauv threading.
Threaded Kev sib txuas
Tuam pob qij txha txuas cov xov sib txuas. Lawv suav nrog cov qauv API xov raws li cov qauv xov. Txhua hom xov kev sib txuas tau teev los ntawm cov xov rau ib nti (TPI) thiab nws yog taper. Cov pob qij txha ib txwm muaj xws li (Reg), Tag Nrho}} lub qhov (fh), thiab sab hauv} dej (yog).
Nta
Tsis - Sib Nqus Lij Yeeb Nkab Thaum Txiav Nyiaj (Mwding) thiab Txiav Txim (LWD) los ntawm txoj hlua laum. Qhov no minimizes cuam tshuam hluav taws xob hluav taws xob thiab nce qhov tseeb ntawm cov ntawv soj ntsuam taw qhia.
Kev ua pob qij txha sib xyaw ua ke tau txuas rau ntawm cov cuab yeej sib koom ua ke thiab chaw nyob ntawm lub ncoo ntawm cov kav dej laum kom ua kom muaj kev puas tsuaj.
Muab kauv grooves rau sab nraud ntawm cov kav dej sab nraud txo qis cov khoom sib txawv thiab txhim kho cov yam ntxwv ntawm cov av nkos.
Tus qauv
API RP 5A {{{5 - Tus txheej txheem thoob ntiaj teb no qhia txog cov kev tshuaj xyuas thiab kuaj cov roj Qhov qauv thoob ntiaj teb no npog cov kev coj ua thiab cov thev naus laus zis siv hauv kev tshuaj xyuas kev ua haujlwm; Txawm li cas los xij, qee qhov kev coj kuj tseem yuav haum rau kev tshawb xyuas zeb.
Tho Yeeb Nkab Cov Lus Qhia:
|
Qhov loj od |
Ntxhuab |
Xam qhov hnyav |
Teem nqi |
Qhov tuab |
Daim ntawv foos (saib cov ntawv) |
|||
|
nyob rau hauv. |
lub hli |
lb / ft |
kg / m |
nyob rau hauv. |
lub hli |
|||
|
2 3/8 |
60.3 |
6.65 |
6.26 |
9.32 |
E,X,G,S |
0.280 |
7.11 |
EU |
|
2 7/8 |
73.0 |
10.4 |
9.72 |
14.48 |
E,X,G,S |
0.362 |
9.19 |
EU, IU |
|
3 1/2 |
88.9 |
9.50 |
8.81 |
13.12 |
E |
0.254 |
6.45 |
EU, IU |
|
3 1/2 |
88.9 |
13.30 |
12.31 |
18.34 |
E,X,G,S |
0.368 |
9.35 |
EU, IU |
|
3 1/2 |
88.9 |
15.50 |
14.63 |
21.79 |
E |
0.449 |
11.40 |
EU, IU |
|
3 1/2 |
88.9 |
15.50 |
14.63 |
21.79 |
X,G,S |
0.449 |
11.40 |
EU, piv txwv li |
|
4 |
101.6 |
14.00 |
12.93 |
19.26 |
E,X,G,S |
0.330 |
8.38 |
EU, IU |
|
4 1/2 |
114.3 |
13.75 |
12.24 |
18.23 |
E |
0.271 |
6.88 |
EU, IU |
|
4 1/2 |
114.3 |
16.60 |
14.98 |
22.31 |
E,X,G,S |
0.337 |
8.56 |
EU, piv txwv li |
|
4 1/2 |
114.3 |
20.00 |
18.69 |
27.84 |
E,X,G,S |
0.430 |
10.92 |
EU, piv txwv li |
|
5 |
127.0 |
16.25 |
14.87 |
22.15 |
X,G,S |
0.296 |
7.52 |
Iu |
|
5 |
127.0 |
19.50 |
17.93 |
26.71 |
E |
0.362 |
9.19 |
Ieu |
|
5 |
127.0 |
19.50 |
17.93 |
26.71 |
X,G,S |
0.362 |
9.19 |
EU, piv txwv li |
|
5 |
127.0 |
25.60 |
24.03 |
35.79 |
E |
0.500 |
12.70 |
Ieu |
|
5 |
127.0 |
25.60 |
24.03 |
35.79 |
X,G,S |
0.500 |
12.70 |
EU, piv txwv li |
|
5 1/2 |
139.7 |
21.90 |
19.81 |
29.51 |
E,X,G,S |
0.361 |
9.17 |
Ieu |
|
5 1/2 |
139.7 |
24.70 |
22.54 |
33.57 |
E,X,G,S |
0.415 |
10.54 |
Ieu |
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