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xxxxxxxxxxxxxxxxxxxx. TXD. TXD Design Goals. Alternative to a “Big-Rig” Shallow oil/gas and CBM applications Handle range 3 casing Quick and easy set-up and breakdown High performance in compact package Low axle weights Automated pipe handling Hands free breakout (hydraulic roughneck)

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Presentation Transcript
txd design goals
TXD Design Goals
  • Alternative to a “Big-Rig”
  • Shallow oil/gas and CBM applications
  • Handle range 3 casing
  • Quick and easy set-up and breakdown
  • High performance in compact package
  • Low axle weights
  • Automated pipe handling
  • Hands free breakout (hydraulic roughneck)
  • Powerful tophead rotation system
telemast concept
Telemast Concept

Innovative design offers 2:1 cylinder/head travel

Head fully retracted for short transport length

Mast fully extended as required for setting casing

Construction locates cylinder rods out of harms way

Mast slides so loads are transmitted to the ground

Mast mounted hydraulic outriggers support loads

High tophead travel speeds

basic specifications
Basic Specifications

Mounting: Custom tri-axle trailer with tag dolly

Deck Engine: MTU 12V-2000, 760 hp, air starter

Tophead: 4 3/4” ID (120.6 mm) spindle, 4 x two speed motors, 0-90 rpm @ 17,750 ft-lb, 0-180 rpm @ 7,670 ft-lbs

Mast: 50’ top head travel, 30 1/4” table, power holding slips

Fluid Lines: 3” ID, 3000 psi WP

Feed System: 200,000 lb (actual) hoist, 32,000 lb. down

Pipe Handling Winch: 9,600 lb with hydraulic jib boom

Automated Pipe Handling System: Custom tandem axle trailer powered by rig hydraulics, up to 47’ long x 30” OD tubulars

Power Breakout: Hands free, 4½” to 8” OD, 53,000 ft-lb

basic dimensions
Basic Dimensions
  • Minimum Overall Length: 50’ (15.2 m)
  • Front Overhang: negligible
  • Width: 9’ 6” (2.9 m)
  • Height: 13’ 6” (4.1 m)
  • Weight: 95,000 lb (43,181 kg)
  • Distribution: 20,000 lb/axle (9,072 kg), 17,000 lb/axle (7,711 kg) with tag dolly
tilt out top head 0 90 rpm @ 17 750 ft lb 0 180 rpm @ 7 670 ft lb
Tilt-out Top Head0-90 rpm @ 17,750 ft-lb, 0-180 rpm @ 7,670 ft-lb

Single reduction spur gear drive

Large tapered roller bearings, no pinion bearings required

Four, 2 speed, high torque hydraulic motors

4 ¾” ID thru shaft

Floating sub

Casing lifting eyes

power breakout 4 8 od
Power Breakout4” – 8” OD”

4” Drill Pipe

8” Collars

pipe stop
Pipe Stop

Adjustable Pipe Stop

pipe handling
Pipe Handling

Adjustable Pipe Stop

pipe handling2
Pipe Handling

Adjustable Pipe Stop

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Schramm Engineering
  • Over 50 years of drill rig design experience
  • Utilizing the latest CAD systems
  • Finite Element Analysis insures dependability
  • Dynamic field testing - Installed Strain Gauges
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ROTADRILLS

WWW.SCHRAMMINC.COM