Oilfield Services: Production Services

Coiled Tubing

Today, coiled tubing plays a critical role in stimulating production and workovers of oil and gas wells. The Allis-Chalmers coiled tubing segment employs highly skilled and cross-trained professionals who are dedicated to providing our customers with superior service and technical expertise in order to achieve a cost-effective, safe and successful completion of the coiled tubing well intervention. Our state-of-the-art equipment undergoes the most stringent maintenance processes in the industry.

Allis-Chalmers provides coiled tubing units for land work ranging from 1 1/4" to 2" work strings and up to 2" velocity strings. The units are self-contained and the spools are interchangeable, allowing velocity strings to be installed and repaired more easily.

Coiled Tubing Specifications-Onshore.

Tubing Specifications:

  • 5/8" to 2" Carbon Based Coiled Tubing
  • 70,000 psi tensile strength .087 to .154 wall thickness
  • 90,000 psi tensile strength .087 to .154 wall thickness

Large Coiled Tubing Intervention Services and Applications:

  • Nitrogen or foam injection well clean out
  • Nitrogen jetting
  • Milling and drilling
  • Cleaning scale in production tubing
  • Circulating chemicals and fluids
  • Squeezing cement
  • Acidizing
  • Coiled tubing gas lift systems
  • Paraffin removal
  • Fishing
  • Installing and removing velocity strings
  • Welding services for repairing velocity strings
  • Modular design units

Small Coiled Tubing Intervention Services and Applications:

  • Wash out plugged coiled tubing velocity or restricted ID production strings
  • Chemical string maintenance and inspection services
  • Orbital tig welding for repairing or lengthening chemical injection and velocity strings
  • Jet fluid from coiled tubing velocity or restricted ID production strings
  • Nitrogen jetting using smaller OD coiled tubing to reduce annular friction in production strings
  • Clean scale from restricted ID coiled tubing or production string
  • Carbon-based chemical injection installation utilizing 5/8" to 1" coiled tubing
  • Stainless steel chemical injection installations utilizing stainless steel coiled tubing
  • Ability to snub tubing into hole under high pressures
  • Climate controlled operator cabins for service in all environments


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