ONSHORE
ONSHORE APPLICATION
With experience in some of the world's most complex wells, Command Tubular Products offers solutions to today's critical challenges in conventional and unconventional onshore drilling, with products that resist or reduce the risks of:
- excessive drill string buckling
- high side forces
- high drag and low torque
- reduced rate of penetration
- lost circulation
- ineffective hole cleaning
- excessive pipe belly wear
- vibrations and stick slip
- short tubular life
- difficulty getting weight on bit
Onshore (land) drilling uses rigs moved in by road, at sites that are not over water. Many wells are now drilled from pads, where several wells are drilled close together from one site by moving the rig a short distance. These are often mature fields, where drilling pushes into more challenging formations such as new shale plays or very deep wells.
Onshore drilling challenges come from industry economics, the equipment used, the field's location, and the well profile and formations.
- Rig day rates make running a rig expensive, which means that the speed of rigging down, moving and rigging up is crucial to guarantee project success. Drilling equipment has to be reliable and easy to handle on the rig floor.
- The physical location of the well site sets limits on the size and type of drilling equipment and sometimes the drill string. In Arctic areas, for example, surface and downhole equipment can sit in extreme temperatures for long periods before use, which can affect performance.
- Well profiles and formations determine drill string requirements:
- H2S wells need special steels to resist sulfide stress cracking.
- ERD and deep wells need drill pipe with high tensile strength in the upper part of the string.
- Extended-reach and ultra-extended-reach wells can be hard to drill because of the higher torque and drag on the drill string.
- Small-clearance wells drive equivalent circulating density (ECD) higher, put extra stress on formations and increase circulation pressures.
Products & Solutions
Command Tubular Products offers custom drill strings to meet onshore challenges head-on:
- High-performance proprietary connections, matched to ODs and IDs to optimize torque, tensile and hydraulic performance for each program
- Multiple grades and weights
- Drill string products for H2S environments
