Underbalanced Drilling Hose Type: UDG-SZ

Underbalanced Drilling Hose

The underbalanced drilling hose is used for fluid delivery in unbalanced oil drilling. The drilling fluid may also contain nitrogen gas, industrial waste gas, air, the mixed gas of air and nitrogen, natural gas and more.

Features:

Temperature Range: Ⅱ level, -25 ~ +100 ℃

API Standard: 7K-ISO 0106

Fire Protection Requirements:
The normal hose structure satisfies standard SR6A standards and is able to maintain up to 5 minutes in a 704℃ fire. The outer cover can be equipped with a fire insulation layer of a glass fiber cloth, which satisfies SR6B advanced fire protection standards, and maintains up to 30 minutes in a 704℃ fire.

Flexibility Level: FSL3

Maximum Length: 70m

Production Length Tolerance: 6.4m or under ± 64 mm, above 6.4m ± 1％

Underbalanced Drilling Hose
Construction:
  • Inner Layer: Industrial plastic
  • Tube: Nitrile rubber or HNBR (hydrogenated butadiene-acrylonitrile rubber) with excellent oil and corrosion resistance, thermal insulation, gas permeation protection
  • Reinforcement: High strength fabric cloth
  • Skeleton Layer: High strength steel wire
  • Cover: Chloroprene rubber, fire resistant, abrasive and oil resistant, ozone resistant, UV protection and anti-aging
UDG-SZ Technical Parameters:
 Code No. I.D. (inch) (mm)  O.D. (inch) (mm)  Working Pressure (bar) (psi)  Test Pressure (bar) (psi)  Safety Pressure MBR (Storage) (m)  MBR (Operation) (m)  Weight (Kg/m)  Max. Length (m) 
UDG-SZ-51×34.5 2 51 4.17 106 345 5,000 690 10,000 2.5 0.8 0.9 10 70
UDG-SZ-64×34.5 2.5 64 4.6 118 345 5,000 690 10,000 2.5 0.9 1.0 16 70
UDG-SZ-64×51.7 2.5 64 5.35 136 517 7,500 1,034 15,000 2.5 1.0 1.2 23 70
UDG-SZ-76×34.5 3 76 5.28 134 345 5,000 690 10,000 2.5 1.0 1.2 18 70
UDG-SZ-76×51.7 3 76 5.98 152 517 7,500 1,034 15,000 2.5 1.1 1.3 32 70
UDG-SZ-89×34.5 3.5 89 5.75 138 345 5,000 690 10,000 2.5 1.2 1.4 22 70
UDG-SZ-89×51.7 3.5 89 6.57 167 517 7,500 1,034 15,000 2.5 1.3 1.5 37 70
UDG-SZ-102×34.5 4 102 6.8 173 345 5,000 690 10,000 2.5 1.3 1.5 35 70
UDG-SZ-102×51.7 4 102 7.08 168 517 7,500 1,034 15,000 2.5 1.4 1.6 41 70
UDG-SZ-127×34.5 5 127 8.11 206 345 5,000 690 10,000 2.5 1.5 1.6 54 70
UDG-SZ-127×51.7 5 127 8.66 220 517 7,500 1,034 15,000 2.5 1.5 1.7 68 70
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No. 628 PingLiDian Road, Laizhou City, Shandong Province

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