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Changzhou Oilfield Petroleum Equipment Co., Ltd.
Changzhou Oilfield Petroleum Equipment Co., Ltd.
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octg-coupling for 9-5/8" BC L80

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Changzhou Oilfield Petroleum Equipment Co., Ltd.
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octg-coupling for 9-5/8" BC L80

Place of Origin : china

Brand Name : oilfield

Model Number : 1“9～20”

Certification : API 5CT

Price : 1~300 dollar

Payment Terms : LC &T/T/D&P

Supply Ability : 2800000 pcs

MOQ : 1pcs

Secondary Or Not : Non-secondary

Application : Oil Pipe

Technique : Hot Rolled

Surface Treatment : copper or phosphate

Special Pipe : API Pipe

Alloy Or Not : Is Alloy

Packaging Details : Pallet packing

Delivery Time : 20 days

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The Product Standard: API SPEC 5CT9thPSL1; PSL2; PSL3;

Size:1"9~20"

Grade:H40,J55,K55,N80,L80,R95(C95),T95,P110,Q125

API round thread casing coupling size, tolerance and quality(mm)
size OD length l ength

Bore diameter

Bearing

surface width

Quality

 Quality

coupling

mateial
short thread long thread short thread long thread
4-1/2 127.00 158.75 177.80 116.68 3.97 3.62 4.15 127.0*13.0
5 141.30 165.10 196.85 129.38 4.76 4.66 5.75 142*14.5
5-1/2 153.67 171.45 203.20 142.08 3.18 5.23 6.42 154*14
6-5/8 187.71 184.15 222.25 170.66 6.35 9.12 11.34 188*17
7 200.03 184.15 228.60 180.18 4.76 10.88 13.92 201*18
7-5/8 215.90 190.50 234.95 197.64 5.56 12.30 15.63 216*18
8-5/8 244.48 196.85 254.00 223.04 6.35 16.23 21.67 245*21
9-5/8 269.88 196.85 266.70 248.44 6.35 18.03 25.45 270*21
10-3/4 298.45 203.20 --- 277.02 6.35 20.78 --- 299*21
11-3/4 323.85 203.20 --- 302.42 6.35 22.64 --- 324*21
13-3/8 365.12 203.20 --- 343.69 6.35 25.66 --- 365*21
16 431.80 228.60 --- 411.96 5.56 34.91 --- 432*23
18-5/8 508.0 228.60 --- 478.63 5.56 54.01 --- 508*26
20 533.40 228.60 292.10 513.56 5.56 43.42 57.04 534.0*23

API Buttress Thread casing coupling size, tolerance and quality(mm)
size

OD

The standard

coupling

OD

Special

clearance

couplings

min

length

Bore

diameter

Bearing

surface width

The standard

coupling

Quality(kg)

Special

clearance

couplings

Quality(kg)

coupling

mateial
W WC NL Q b
4-1/2 127.00 158.75 177.80 116.68 3.97 4.55 3.48 127.0*13.0
5 141.30 165.10 196.85 129.38 4.76 5.85 4.00 142*14.5
5-1/2 153.67 171.45 203.20 142.08 3.18 6.36 4.47 154*14
6-5/8 187.71 184.15 222.25 170.66 6.35 11.01 5.65 188*17
7 200.03 184.15 228.60 180.18 4.76 13.98 6.28 201*18
7-5/8 215.90 190.50 234.95 197.64 5.56 15.82 9.29 216*18
8-5/8 244.48 196.85 254.00 223.04 6.35 20.86 10.80 245*21
9-5/8 269.88 196.85 266.70 248.44 6.35 23.16 12.02 270*21
10-3/4 298.45 203.20 --- 277.02 6.35 25.74 13.39 299*21
11-3/4 323.85 203.20 --- 302.42 6.35 28.03 --- 324*21
13-3/8 365.12 203.20 --- 343.69 6.35 31.77 --- 365*21
16 431.80 228.60 --- 411.96 5.56 40.28 --- 432*23
18-5/8 508.0 228.60 --- 478.63 5.56 62.68 --- 508*26
20 533.40 228.60 292.10 513.56 5.56 50.10 --- 534.0*23

API Non-upset Thread tubing coupling size,tolerance and quality(mm)

Size OD

Min

Length

Bore

diameter

Bearing

surface

width

The maximum

bearing surface

diameter special chamfer

Quality

(kg)
1"9 55.88 95.25 49.86 1.59 52.07 0.56
2-3/8 73.02 107.95 61.93 4.76 66.68 1.28
2-7/8 88.90 130.18 74.63 4.76 80.98 2.34
3-1/2 107.95 142.88 90.50 4.76 98.42 3.71
4 120.65 146.05 103.20 4.76 111.42 4.35
4-1/2 132.08 155.58 115.90 4.76 123.19 4.89

API External Upset Thread tubing coupling size ,tolerance and quality(mm)

size OD

The standard

coupling

OD

Special

clearance

couplings

 min

length

Bore

diameter

The maximum bearing surfaceWith special

chamfer standard coupling

The maximum

bearing surface

diameter (Special clearance)

 Standard couplingQuanlity Special clearance Quanlity
1"9 63.50 --- 98.42 3.18 58.34 --- 0.84 ---
2-3/8 77.80 73.91 123.82 3.97 71.83 69.90 1.55 1.07
2-7/8 93.17 87.88 133.35 5.56 85.88 83.24 2.40 1.55
3-1/2 114.30 106.17 146.05 6.35 104.78 100.71 4.10 2.38
4 127.00 --- 152.40 6.35 117.48 --- 4.82 ---
4-1/2 141.30 --- 158.75 6.35 130.96 --- 6.05 ---

octg-coupling for 9-5/8" BC L80

octg-coupling for 9-5/8" BC L80

IF YOU ARE INTERSTED IN OUR PROEUCT PLEASE CONTACT WITH ME AND LET ME KNOW THE DETAILS INFORMATION ABOUT THE PRODUCT, WE WILL GIVE YOU THE BEST PRICE ABND BEST SURVICE.

Sally Zhang

Tel:0086 181 3659 6692

Fax:0519 8526 8163

Mail:oilfield.sally@yahoo.com

Skype:sally77778

Web:http://www.oilfield-octg.com


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