Yemen Drilling Company Ltd.

MANUFACTURER Cooper LTO-550 , Mobile –Workover Drilling Rig.

DRAWWORKS Model 550/4212-42-550HP.
Main Drum. Demountable ,forged steel brake rims,
42” diameter x 12” wide.
Drum shaft diameter is 6 ½”
Single line pull is 45,000lbs
Drum diameter 16” x 38” Lebus grooved
1 1/8” Drilling Line.
Clutch Fullair,2 Plates 24”
Sandline drum. Wireline capacity 14,000 feet of 9/16”
11,800 feet of 5/8”.

AUXILLARY BRAKE Hydromantic Brake ,Cooling water system.

CATHEADS Cooper Hydraulic

POWER GENERATION Diesel, Generators, Caterpillars, Type 3406.
DISTRIBUTION Numbers Two.
EQUIPMENT Output rating 250 KW. 460/120 V, Three Phase 60Hz

MAST Cooper telescoping.
Height. 112 feet clear working height from ground level.
Rated capacity 250,000 lbs.
Max static hook load. 6 lines = 235,000 lbs
8 lines = 250,000 lbs
Set back capacity 220 Stands of 3 ½” Tubing Range 2
206 Stands of 4 ½” Tubing Range 2
190 Stands of 51/2” Tubing Range 2

RIG FLOOR Adjustable Working Platform and Sub Structure.
T-Type 20 feet 12 x 38 ft with rig floor 8ftx8ftx12ft.

ROTARY TABLE Cooper Size 17 ½”, Complete with Master Bushings and Insert bowls.

CROWN BLOCK Cooper. Cross mounted. Rated capacity 250,000lbs.
Number and diameter of sheaves 1 x 36”& 4 x 24”
Groove size 1 3/8” ( One sandline sheave Groove 9 /16)

TRAVELLING BLOCK COOPER SHORTY
Number of sheaves and diameter 4 x 24”
Groove size 1 1/8”
Rated capacity 125 MT.

HOOK Incorporated with block
Rated capacity 125MT.

POWER SWIVEL BOWEN Hydraulic SA-100 ton
Type: Hydraulic
Rated capacity 260,000 lbs.,
Working Pressure 4,500 psi Maximum.
Rated Power 130 HP.
Maximum Torque 10,750 lbs in low gear.
Maximum RPM. 160 in High gear.
Continuous torque rating 10,750 ft/lbs at 3000 psi
Intermitting torque rating services 3500 psi , Maximum RPM 160.

HYDRAULIC POWER Manufacturer : King
UNIT Hydraulic, Rated capacity 130 HP.

DRILLING LINE Manufacturer: Hercules
ANCHOR Tension Load sensor : HA129, Range 0 to 300,000 lbs.

DRILLING LINE 3,500 feet of 1 1/8” IWPS.

TRIPLEX PUMPS Manufacturer: Gardner Denver.Type;
PZ-7 :4” Bore x 7” Stroke.
Hydraulic HP 550./ Input HP. 295.
Maximum discharge Pressure w/4” Liners.
5000 psi.
Maximum SPM = 140./ Powered
by Two Caterpillar
motors 33
Charge pump Numbers ONE.
Mission Centrifugal 11” Impellor
Discharge flow :900 GPM,40 PSI./ 75
HP Electric Motor.

DISCHARGE LINES Mud discharge lines 2” ID, Working pressure 5,000 psi.

STANDPIPE ETC Standpipe line 2” ID .
Working Pressure 5,000 psi.
Chiksans, high Pressure hoses
Working Pressure 10,000 psi.

WELL CONTROL BOP Stack / Manufacturer : Hydril GK
EQUIPMENT Hydril GK / Annular 11” x 5,000 psi WP.
Cameron 11” BOP Double Ram preventor 5000 psi WP
11” BOP SIingle Ram preventor 5000 psi WP
C/W Four by 4 1/16 x 5000 psi. Outlets.

H2S Trim API RP5 3 Compliance
Pipe Rams. 2 7/8”,3 ½”,4 ½”,5 ½” Blind.
Two sets of each./ Adapter spool One each 11”
3000psi x 11”5000psi.
BOP Lifting equipment./ Overhead trolleys c/w 20 Ton hoists
Choke Lines. Number one coflex type .3” X 10 Mtrs
5000 PSI WP. 10 k
Test 4 1/16 Connections. Manual Valve one 3 1/8”x 5000psi.
One HCR Valve 3 1/8” x 5000psi.
Kill line. Number one coflex type 3” x 6 Mtrs 5000psi
WP. 10 K Test.
Two 3 1/8”Manual valve x 5000psi WP. One check valvex 5000psi
Working pressure,

Choke Manifold. 5000psi WP. Minimum ID 3” Gate valves Nos 9
Cameron type flanged RTJ. H2S Trim.
One manual adjustable choke Cameron style H2 Flanged 3 1/8”
5000psi WP.
One Swaco Hydraulic 2 9/16” 10,000psi WP.
Remote control panel drill floor.Flanged RTJ BX153. Choke manifold
Annular gauge and stand pipe pressure gauge 6000psi pressure
Each gauge.

BOP HYDRAULIC Koomey/ Model type 80 / Working Pressure 3000 psi.
POWER UNIT Reservoir volume 210 gal./ Accumulater bottles
volume 11gals
Numbers Six /Total volume 60 gals
Electric pump Koomey Triplex.
Two air pumps. Type 60-1 ratio air operator.
Model : Plunger Type.

HYDRAULIC CONTROL One each air motor driven pressure reducing valve.
MANIFOLD One each manual pressure reducing and regulator, Koomey Type 80, HCR Valve.

REMOTE CONTROL Koomey / Type 80, Location Rig floor.

MUD TANKS AND Shale shakers
EQUIPMENT. Manufacturer : Brandt.
Type : linear motion Numbers Two.
Mixing and circulating tank.
Swabbing gauge tank 100 bbls(inc in circ tank)
One Pumping Volume 395 bbls
C/W Sand trap,Pill tank, Circulating tank w/mixer.
Mixing hopper and manifold.

Reserve Tank One pumpable volume 350 bbls
Water tank One 400 bbls, Fuel tank Reserve 300 bbls.

ELEVATOR LINKS Manufacturer : B J.
Type : Weldless.
One set : 1 ¾” x 72 “
Rated capacity 150 ton
PIPE HANDLING Casing slips and slip holders.
EQUIPMENT (Designed to allow passage of ESP)
Manufacturer : Blohm & Voss. Size : 7”& 7 5/8”
B & Voss. 8 5/8” Hinged bowl/ , Rated capacity 100 ton..
Manufacturer : B&V .
Tubing Spider. Air Operated Size Range: 2 7/8” to 5 ½”
Rated capacity 250,000 lbs.

Manufacturer : B&V.
Safety Clamps. 2 7/8”, to 4 ½” One set
3 ½” to 7 5/8”One set.
Total two sets.

Tubing and Casing. Manufacturer : B&V.
Elevators Type :Center Latch.
Size Range : 2 7/8:EUE.3 ½” EUE.4 ½”EUE. Tubing.
3 ½” PH 6 Tubing.
7” Casing, 7 5/8” Casing
Number : Two each for 3 ½” and 4 ½” EUE Tubing.
One each for each other size.

Drill Collar Elevators.
Manufacturer : B&V.
Type Centre Latch. :Size Range : 3 1/8” to 4 !/4”

Manual Tongs. Manufacturer: Web Wilson.
Type Super C-------2 Sets.
Jaw assembly and pipe range :3 ½” to 8 5/8”, Torque range 35,000 ft/lbs.

Tubing Tong. Manufacturer : ECKEL
Type :Hydraulic c/w integral back up system.
Size range : 2 7/8” to 5 ½”, Maximum torque 150,000 ft/lbs.

Hydraulic Power Manufacturer : ECKEL
Tong Rated Power : 60 HP Electric Motor.
Hoses :one each 1” x 50foot high pressure hose, One each 1 ¼”x 50 foot high pressure hose.

BIT BREAKER PLATES One each 6” & 8 ½”

FISHING Bowen Overshots
EQUIPMENT Numbers Two series 150.
SH :5 ½” to 7 ¼”
SH.:2 7/8”, 3 ½” 4 ½”
Spare grapples and packers for ea size .
Bowen releasing spear.
3 ½”,4 ½” 5 ½” Spares for ea size.
Bowen Safety Joint. OD 4 ¾”
Bowen bumper sub . OD 4 ¾”
Bowen magnets. Two ea 6 ¾”,9 3/ 8"
Bowen junk mills .two ea 6 ¾”,9 3/8”
Bowen impression blocks two ea 6 ¾”, 9 3/8”
CROSSOVERS As required (full range to fit all type tubings)

CAMP Fully air conditioned & sound proof wih facilities
To sleep and feed Company and its contracters personnel
Electric panel including breakers designed for ground
Defection detection.
Accommodation .Number of skid mounted caravans with 2 Single rooms,
separate shower and toilet Furnished with cupboard ,office table and chair. Numbers

POWER DIESEL Caterpillar. 3406 Nos 2
GENERATOR All fire extinguishers ,smoking detectors, safety equipme