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China Oil Drill Collar 6 1/4"-Nc46 with API Spec 7-1 distributor
Oil Drill Collar 6 1/4"-Nc46 with API Spec 7-1

Drilling pipe and tools

(50)
China API Spec 7-1 P550 Oil Drilling Non-Magnetic Drill Collar O. D. 177.8mm-Nc50 factory

API Spec 7-1 P550 Oil Drilling Non-Magnetic Drill Collar O. D. 177.8mm-Nc50
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Non-Magnetic Drill Collar are made of low magnetic stainless alloy steel by combining a proprietary chemical analysis and a hammer forging process. The material is resistant to stress corrosion cracking. With ... Read More
2025-12-26 19:13:27
China API Spec 7-1 Oil/Gas/Water Drilling Drill Collar Lifting Sub 5"- Nc46 AISI 4145h factory

API Spec 7-1 Oil/Gas/Water Drilling Drill Collar Lifting Sub 5"- Nc46 AISI 4145h
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Product Information Lifting sub, as professional lifting tools, is mainly applied in the oil and natural gas field and geological investigation. According to API Spec 7-1 specification, there are two options ... Read More
2025-12-26 19:13:05
China API Spec 7-1 Oil Drilling Drill Collar or Drilling Pipe Lifting Sub 5"- Nc46 factory

API Spec 7-1 Oil Drilling Drill Collar or Drilling Pipe Lifting Sub 5"- Nc46
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Product Information Lifting sub, as professional lifting tools, is mainly applied in the oil and natural gas field and geological investigation. According to API Spec 7-1 specification, there are two options ... Read More
2025-12-26 19:12:41
China API Spec 7-1 Oil Drilling Drill Collar Lifting Sub 2 7/8"- Nc26 AISI 4145h factory

API Spec 7-1 Oil Drilling Drill Collar Lifting Sub 2 7/8"- Nc26 AISI 4145h
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Product Information Lifting sub, as professional lifting tools, is mainly applied in the oil and natural gas field and geological investigation. According to API Spec 7-1 specification, there are two options ... Read More
2025-12-26 19:12:18
China API Spec 7-1 Oil Drilling Lifting Sub 2 7/8"- Nc26 AISI 4145h factory

API Spec 7-1 Oil Drilling Lifting Sub 2 7/8"- Nc26 AISI 4145h
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Product Information Lifting sub, as professional lifting tools, is mainly applied in the oil and natural gas field and geological investigation. According to API Spec 7-1 specification, there are two options ... Read More
2025-12-26 19:11:57
China API Spec 7-1 Oil/Gas/Water Drilling Lifting Sub 3 1/2"- Nc35 AISI 4145h factory

API Spec 7-1 Oil/Gas/Water Drilling Lifting Sub 3 1/2"- Nc35 AISI 4145h
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Product Information Lifting sub, as professional lifting tools, is mainly applied in the oil and natural gas field and geological investigation. According to API Spec 7-1 specification, there are two options ... Read More
2025-12-26 19:11:35
China API Spec 7-1 Water Well Drilling Lifting Sub 3 1/2"- Nc35 collar and pipe lifting factory

API Spec 7-1 Water Well Drilling Lifting Sub 3 1/2"- Nc35 collar and pipe lifting
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Product Information Lifting sub, as professional lifting tools, is mainly applied in the oil and natural gas field and geological investigation. According to API Spec 7-1 specification, there are two options ... Read More
2025-12-26 19:11:12
China API SPEC SDP Friction welded DZ50 R780 E X G S 5DP grade steel 60mm Drilling pipe factory

API SPEC SDP Friction welded DZ50 R780 E X G S 5DP grade steel 60mm Drilling pipe
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API SPEC SDP Friction welded DZ50 R780 E X G S 5DP grade steel 60mm Drilling pipe Product Information: Friction welding drill pipe is in accordance with API or 5DP specification.The steel grades are E75, X95, ... Read More
2025-12-26 19:10:49
China API Spec 7-1 Oil Drilling Non-Magnetic Drill Collar O. D. 203.2mm-Nc56 factory

API Spec 7-1 Oil Drilling Non-Magnetic Drill Collar O. D. 203.2mm-Nc56
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Non-Magnetic Drill Collar are made of low magnetic stainless alloy steel by combining a proprietary chemical analysis and a hammer forging process. The material is resistant to stress corrosion cracking. With ... Read More
2025-12-26 19:10:29
China API Spec 7-1 P550 Water Well Drilling Non-Magnetic Drill Collar O. D. 203.2mm-Nc56 factory

API Spec 7-1 P550 Water Well Drilling Non-Magnetic Drill Collar O. D. 203.2mm-Nc56
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Non-Magnetic Drill Collar are made of low magnetic stainless alloy steel by combining a proprietary chemical analysis and a hammer forging process. The material is resistant to stress corrosion cracking. With ... Read More
2025-12-26 19:10:06
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