Oil Drilling Rigs & Drilling Products

GOC Group provides comprehensive drilling solutions that include technically advanced, field-proven equipment integrated into systems that increase drilling efficiency, enhance Health, Safety, and Environmental (HSE) programs, and maximize our customers' life cycle economics.

GOC Group offers high-performance products and services for the drilling projects, including drill pipe, heavy weight, drill collars, accessories and performance drilling systems.

What We Do

We are dedicated to provide an outstanding service to guide you to find the products needed, supported by our variety of knowledge and experience in the "Drilling" industry so that your drilling projects go efficiently.

  • Quality drilling support equipment
  • Equipment that has been rigorously tested for safety, performance and durability
  • Designed to be compact, cost effective and environmentally friendly

API Quality

Our drill pipes are made in accordance with API standards & Quality standards.For providing you performance drill pipes, our highly strict quality control system covers whole process.

  • API Specification 5D
  • API Specification 7.1 & 7.2
  • API Recommended Practice 7G
  • API Specification Q1
  • ISO 9001
  • ISO 11961

Our Commitment

We are committed to providing our customers with the highest quality drill pipe and equipment that will best serve their needs. Our vast inventory and superior knowledge of drill pipe and related tubulars, combined with our reputation for honesty and hard work is what sets us apart from our competition.

» Oil Drilling Rigs
» Drilling Rig Solid Control System

Drill Pipes

GOC Group provides a complete line of drillstring products, including a full range of jointed drill pipe in nominal sizes from 2-3/8” to 6-5/8” and in a wide range of wall thicknesses. our product is ISO 9001-certified under both the Dutch and British schemes. 

All standard API grades (E-75, X-95, G-105, S-135).

Recommended Practices (IRP) in Range 2 and Range 3 lengths and are available in the full range of pipe sizes meeting the most stringent service requirements of clients.

Heavy Weight Drill Pipe (HWDP)

Heavy weight drill pipe (HWDP) is usually run in between the drill collars and the drill pipe in order to prevent fatigue of the drill pipe in the vertical drilling industry. Heavy weight drill pipe is also utilized in the horizontal directional drilling (HDD) industry for added strength in high stress situations. Holly Pipe can help you determine the appropriate heavy weight drill pipe for your project from size 2 7/8" to 6 5/8" with hardbanding, spiral grooves or special threading

Drill Collars

Drill collars play a heavy role in today's world of drilling. Holly Pipe is committed to serving all drilling industries and will meet or exceed customer specifications for drill collars and other drilling tubulars. We offer 3 1/8" to 11" steel or nonmagnetic drill collars with spiral, slick, slip recess, elevator groove, hardbanding, bore-back on box or special threading.

Drill collars with the following features:

  • ODs from 2-7/8” to 14”.
  • Mechanical properties guaranteed to 1"below surface at ambient temperature.
  • Enhanced fatigue resistance (threads cold-rolled, pin-relief groove and box bore back).
  • Phos-coated to prevent galling; & ardbanding

Other Accessories

GOC Group provides the full range of accessories necessary for your drilling and handling operations: Kellys, Drill string Safety Valves, Pup Joints, Crossover subs, Lifting subs, Lifting plugs and protectors.