Hais txog Casing tube / casing yeeb nkab / seamless casing yeeb nkab:

Lub casing tube / yeeb nkab yog ib hom yeeb nkab steel uas feem ntau yog siv rau hauv kev tshawb nrhiav roj thiab roj thiab kev tsim khoom. Nws feem ntau yog ntsia rau hauv lub qhov dej thiab ua haujlwm raws li cov qauv kev txhawb nqa rau lub qhov dej thiab tiv thaiv kev tawg ntawm qhov chaw ib puag ncig.
Lub casing yeeb nkab feem ntau yog ntsia ua ntej drilling qhov dej thiab yog cemented nyob rau hauv qhov chaw los muab ib tug barrier ntawm lub qhov dej thiab ib puag ncig formations. Nws yog tsim los tiv thaiv kev kub siab thiab kub thiab txias thiab muaj nyob rau hauv ntau qhov sib txawv thiab qib nyob ntawm qhov tshwj xeeb yuav tsum tau ntawm lub qhov dej.
Cov kav dej casing yog ib qho tseem ceeb ntawm kev tsim kho qhov dej thiab ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev nyab xeeb thiab ua haujlwm ntawm kev ua haujlwm drilling thiab ntau lawm. Lawv kuj tiv thaiv ib puag ncig los ntawm kev tiv thaiv kev khiav tawm ntawm cov roj, roj, lossis lwm yam kua dej rau hauv ib puag ncig tsim.






RFQ:
1. Lub npe casings tube yog dab tsi?
Casing yeeb nkab, Casing tube, Roj casing, zoo casing, steel casing, casing yeeb nkab rau Borewell.
2. Dab tsi yog cov qib steel ntawm cov roj casing?
H40, J55,K55, N80, L80, C90,T95, P110, Q125
3. Dab tsi yog hom kawg ntawm cov yeeb nkab casing?
PS, PSLB, PSLB, PLB
4. Dab tsi yog hom threading rau casing yeeb nkab?
Qhov nrov tshaj plaws threading hom yog LTC (Long thread coupling), STC (Short thread coupling) thiab BTC (Buttress thread coupling)
5. Casing daim ntawv teev: Qhov ntau thiab tsawg, pawg, phab ntsa thickness, qib thiab siv tau kawg-finish
|
Qhov ntau thiab tsawg |
Sab nraum txoj kab uas hla mm |
Nominal linear loj |
Phab ntsa Thickness mm |
Hom kawg-finish |
||||||||
|
Daim ntawv lo |
H40 |
J55 |
M65 |
L80 |
N80 |
C90 |
P110 |
Q125 |
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|
1 |
2 |
|
|
|
|
|
|
|
|
|
|
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
|
5-1/2 |
14.00 |
139.70 |
20.83 |
6.20 |
PS |
PS |
PS |
- |
- |
- |
- |
- |
|
6-5/8 |
20.00 |
168.28 |
29.76 |
7.32 |
PS |
PSLB |
PSLB |
- |
- |
- |
- |
- |
|
7 |
17.00 |
177.80 |
25.30 |
5.87 |
PS |
- |
- |
- |
- |
- |
- |
- |
|
7 |
38.00 |
177.80 |
56.55 |
13.72 |
- |
- |
- |
PLAB |
PLAB |
PLAB |
PLAB |
PLAB |
|
7-5/8 |
24.00 |
193.68 |
35.72 |
7.62 |
PS |
- |
- |
- |
- |
- |
- |
- |
|
7-3/4 |
46.10 |
196.85 |
68.60 |
15.11 |
- |
- |
- |
P |
P |
P |
P |
P |
|
8-5/8 |
24.00 |
219.08 |
35.72 |
6.71 |
- |
PS |
PS |
- |
- |
- |
- |
- |
|
9-5/8 |
32.30 |
244.48 |
48.07 |
7.92 |
PS |
- |
- |
- |
- |
- |
- |
- |
|
10-3/4 |
32.75 |
273.05 |
48.74 |
7.09 |
PS |
- |
- |
- |
- |
- |
- |
- |
|
10-3/4 |
73.20 |
273.05 |
108.93 |
17.07 |
- |
- |
- |
- |
- |
P |
- |
- |
|
11-3/4 |
42.00 |
298.45 |
62.50 |
8.46 |
PS |
- |
- |
- |
- |
- |
- |
- |
|
13-3/8 |
48.00 |
339.72 |
71.43 |
8.38 |
PS |
- |
- |
- |
- |
- |
- |
- |
|
16 |
65.00 |
406.40 |
96.73 |
9.53 |
PS |
- |
- |
- |
- |
- |
- |
- |
|
18-5/8 |
87.5 |
473.08 |
130.21 |
11.05 |
PS |
PSB |
PSB |
- |
- |
- |
- |
- |
|
20 |
94.00 |
508.00 |
139.89 |
11.13 |
PSL |
PSLB |
PSLB |
- |
- |
- |
- |
- |
|
20 |
106.50 |
508.00 |
158.49 |
12.7 |
- |
PSLB |
PSLB |
- |
- |
- |
- |
- |
|
20 |
133.00 |
508.00 |
197.93 |
16.13 |
- |
PSLB |
- |
- |
- |
- |
- |
- |
Cim npe nrov: cev cev


