Workover Department

Workover department - part of part of NAFTAGAS-Oilfield services LLC whose activity is workover and revitalization of the existing wells, work with fishing tool - trough casing and power swiwels.

Equipment

  • 15 complete mobile workover rigs, with the capacity from 50 – 180t, type: Cardvell, Wülfel, NGM and A-50
  • Mud pumps: T-10, 9MGR, 9MGR-61 and JWS-400
  • 3 complete mud system
  • Workshop – full covered with fishing tools\operation, maintenance for packers & downhole tools, BOP`s, christmas tree …

KB-700-54 (Cardwell IV)

  • Drawworks IPS CARDWELL model KB700
  • Horsepower 800 HP
  • Hydromatic PARMAC 22DR Crown-o-matic
  • Automatic drilling Control lNA
  • 2 x GM 71-8; 400 HP Diesel engine through compound
  • 1/8” Drill Line
  • Single line pool57.200 lbs (26000 Kg)
  • Depth rating Servicing with 2 7/8” tubing: 25000 ft
  • Drilling with 3 ½” Drill pipe: 14000 ft, Drilling with 4 ½” drill pipe: 12000 ft, Drilling with 5” drill pipe: 9000 ft
  • Sand drum 13-37 with brakes 16114 ft capacity with 9/16” line or 12955 ft capacity with 5/8” line
  • Chain drive through catwork
  • 1 x Mud pump TMP700 Rated 700 HP independent drive CAT 3516 or equivalent1 x Mud pump PZH-8 Rated 750 HP Independent drive CAT D-3982 x 89 GPM @2000 psi installed on the trailer
  • MacScott Bond Hydraulic 30 m/min; 120m long 11mm wireline 6x36IWRCIPS
  • Cardwell mast Model 375-118 two section, telescopingRated 375.000 lbs ( 170 ton) w/10 linesHeight 118 feet.
  • Racking capacity: 19000 ft drill pipe 2 7/8”doubles or 14000 ft drill pipe 3 ½” doubles or 12000 ft 4 1/2” drill pipe doubles Max. wind load 100 mph –no set back
  • Maximum wind load 85 mph- w/set back
  • IPS CARDWELL substructure + additional pony substructure with ramp.Overall height 15 ft + 4 ft =19 ft (6,23 m)281000 lbs
  • Total Clearance 5,60 m-375.00 lbs (170 ton)
  • IPS Cardwell two shaft-eight sheave: 5 sheaves 33 ½” diameter and 3 x 23 ½” sheaves. Seven sheaves grooved for 1 1/8” drilling line and one sheave grooved 5/8” for sandline.

Self – propelled workover rig Cardwell KB-210A (CI, CII i CIII)

  • Working load capacity of mast - two section, telescoping : 100 Ton
  • Working hook capacity: 100Ton
  • Main drum: wire rope ∅ 1”, L=240m
  • Sandline drum: wire rope ∅ 5/8mm, L= 3000m
  • Engine: GM 8V71, capacity 320 HP
  • Transmission: Allison CLT 5860-5
  • Rotary table HACKER A-15-T 15 ¼” 140 tons
  • Working platform(substructure) with clear height bellow rotary max 3m
  • Number of sheaves of travelling block/crown block systemPc3+5
  • Maximum length of handled pipe stands 19m
  • Number of draworks speeds 5+1
  • Constant pressure in pneumatic system 10 bar
  • Dimension in transport configuration: length 18 m width 2,56 m height 4,15 m
  • Depth ratings: drilling pipe 4 1/2" - 1400 m drilling pipe 3 1/2" - 1830 m
  • Generator “FG Wilson” 350KVA
  • Generator “FG Wilson” 60KVA

Self-propelled workover rig NGM-1000 (NGM II, NGM III i IV)

  • Made by: Naftagas Novi Sad - Yugoslavia and Metalna Maribor – Slovenia
  • Model: NGM 1000-29-233 Rated static and hook load capacity: 100 t
  • Manufactured: 1988
  • Serial number 02001

Self-propelled workover rig NGM-1000 (NGM II, NGM III i IV)

Mobile workover rig contains:

  • Carrier
  • Diesel engine with transmission
  • Drawworks and mast
    Model: Metalna Maribor
    Total weight: 45 tons
    Total lenght: 18900mm
    Max.height: 4200mm
    Max width: 2500mm
    Number of axles: 4 Number of power axles (front+rear): 1+2
    Number of vehicicles (single + double): 4+4
Rig Type CARDWELL  KB700 CARDWELL  KB210A CARDWELL
KB210A
FRANKS
200
Naftagas-Metalna
NGM-700
Rig name CW-4 CW-2 CW-3 F200 M-1
Manufacturer Cardwell Cardwell Cardwell FRANKS Naftagas - Metalna
Year 1988 1981 1983 1990 1984
Year of last overh. 2013 2010 2005 2004 2000
Country of origin USA USA USA USA Yugoslavia
Drawworks (HP) 800 450 320 256 256
Hook Load (Tone) 170 100 100 63 70
Mud Pump (HP) 1x450  1990 1x180  1975 1x180   2005 1x180  1980 1x180   1980
Floor Height (Meters) 4,54 3,2 3,2 2,4 2,4
Location country Serbia Serbia Serbia Serbia Serbia
    Operating NIS Operating NIS Operating NIS Overhaul

 

Rig Type Naftagas-Metalna
NGM-1000
KRAZA-50 UPA 60/80 
1,2,3
Wullfell

UPA 60/80
1,2,3

Rig name M-2,M-3,M-4 A-1,A-2, A-3,A-4 B1, B2, B3 W-1,W-4 B-4
Manufacturer Naftagas - Metalna Sankt Petersburg Kaljazin Rusija Wulfell Kaljazin Rusija
Year 1987,1988,1988 1971,1976, 1982,1982 2012 1959, 1968 2013
Year of last overh. 2009, 2010, 2008        
Country of origin Yugoslavia Russia Russia Germany Russia
Drawworks (HP) 320 240 340 220 340
Hook Load (Tone) 100 40,50, 40,50 60/80 25,24 60/80
Mud Pump (HP) 1x180   1980 1x180   1980 1x180   1980 1x180   1980 1x180   1980
Floor Height (Meters) 2,4 1,8 2,4 1,8 2,4
Location country Serbia Serbia Serbia Serbia Serbia
  Operating NIS Operating NIS Operating NIS Operating NIS Potrebna registracija

 

Reference

2000-2011 CIS - Rosby, Turkmenistan

Contract for workover rig Cardwell KB-700 2002-2008 Turkmennjeft, Turkmenistan
Contract for coiled tubing unit
Contract for wireline unit

2001-2006 Lucas, Kazakhstan

Contract for charter expertly personel

1997-1999 Monument, Turkmenistan

Contract for workover rig Cardwell KB-700 with key personel
Contract for Cardwell KB-700 as drilling rig on well to 4800m.

1983-1987 N.R.A., Jordan

Contract for workover rig Cardwell KB-210 – Cardwell 3

More than 56 years successfully working in Serbia

Workover operations\completition for gas storage wells – Gas storage “Banatski Dvor”