Mechanical Land Drilling Rig ZJ40L J

How to Match the ZJ40L-J to Your Project

The economics of a medium-deep field turn on how little time the rig spends rigging down, and the ZJ40L-J mechanical land drilling rig is built to move fast between 4000 m wells. On 114 mm pipe it is rated to 4000 m (3200 m on 127 mm), with a 2250 kN hook and a 735 kW (1000 HP) drawworks over a ZP375 table — ample for medium-deep completions and deep workover — while the L-J weight-cut derrick, substructure and power skid break into truckable modules that reach mountain and road-limited sites a conventional heavy ZJ40 cannot. Diesel-only drive removes electronic failure points on a remote pad, and a 12-line hoist on 32 mm wireline carries the long casing strings these holes demand.

Submitting a ZJ40L-J drilling rig inquiry works best when you lead with the pipe and hook-load design. State whether the programme runs 114 mm or 127 mm string — that is the 4000 m versus 3200 m difference — and the expected completion and intervention loads so the hoist margin is set right. Give the derrick working height and the heaviest module your route can carry, since the L-J split is engineered around those limits. Diesel power is standard; winterization, desert and marine-corrosion protection are added by climate, and the API 4F, API 7K and ISO 9001 certificate matches the wider land fleet.

Drill-pipe size, mud pump package, derrick height and electrical standard move the number, so the ZJ40L-J is quoted to the well rather than from a list. The as-built configuration is locked in writing before the order is released, so the rig you approved on paper is the one shipped to the pad; send the 114 mm versus 127 mm plan and the commercial reply follows the engineering check.