Operations >> Petroserv >> Geophysical Services

Quality Seismic Data Acquisition

 

  • Five Seismic Crews are in operation with Vibroseis & Dynamite Energy Source.
  • 2D/3D Seismic Data Acquisition Operations.
  • On site Quality Control and Processing up to Brute stack.
  • High Accuracy & Reliable Surveying with RTK GPS System.
  • Trimble TBC, Leica GEO.OFFICE & SKI-PRO Software for Post Processing of GPS Survey Data.
  • Refraction Survey and Up-hole Logging.
  • All Crews equipped with Modern Communications system. 

 

 

 

Human Resource Base  

  •   Data Acquisition Engineers.

  •   Field Geophysicists.

  •   Vibrator Technicians and Vibrator Operators. 

  •   Drilling Technicians and Drillers.

  •   Shooting Technicians and Shooters.

  •   Workshop Technicians and Mechanics.

  •   Surveyors.

  •   Communication Officers/Radio Operators.

  •   HSEQ Officers and Doctors     

 

 

Qualification  

 

  •   Data Acquisition Engineers are M.Sc. in Physics (Electronics) and B.E. Electronics.

  •   Field Geophysicists are M.Sc in Geophysics

   

Experience  

  •   Professionals have 5 to 30 years experience.

   

Training  

  •   Seismic Data Acquisition Engineers, Field Geophysicists, Surveyors, Vibrator Technicians, Drilling Techs. etc. have local and foreign trainings.

 

Exposure  

  •   Experience of working as contractor with local and foreign oil companies.

   

Geophysical Equipment Capabilities & Services

 

  • Seismic Data Acquisition System  

    •      Two G3i HD 

    •      Two  428 XL 

    •      Two  408 XL

  • 2D/3D vibrosies and Dynamite Operations.

  • GMG software for survey designs, planning.                                        

  • Array, Geo graphic and geologic modeling for 3D.   

  • Vibrator's QC, GPS Data Recording. 

  • Geophone Strings, Sensor SM-24 / SS-10PN /Sercel SG-10 & PS-10 ES. 

  • Quality Control System ESQC-PRO and OMEGA-2/SCISSPACE(Unix / Linux) O.S. 

  • Geometrics NZ-XP-II LVL Recorders. 

 

Energy Source Equipment


Vibrators  

  • Three set of Vibrators, NOMAD-65 & NOMAD-65 NEO and LRS-351.                                                                    

  • Each set contains 05 Vibrators. 

  • Peak Force 62000Lbs/51000 lbs

  • Vibrator control electronics VE432, VE464 (Neo) & Vibpro with Differential Global Position System.                                                                                        

  • On Line Quality Control System for Vibrators.                                                          

  • SGD-S Shooting System 

Seismic Drilling Rigs

  •  GEFCO SD-30 drilling Rigs Mud depth capacity 60M and with Air 50 M. 

  •  Seismic Rigs WTZ-50 F, Air drills depth capacity 50 M.

  •  Seismic Rigs WT-350 100 Meter depth capacity with mud.

  •  Seismic Rigs WT-50, Mud drilling depth capacity 50M.

  •  Man Portable Rigs TSP-40, depth capacity 25 M.

  •  Hand Drill Flushing unit.


Logistic Equipment

  • Logistic Equipment include 4x4 IVECO & Renault Trucks, Tankers.

  • MOL Buggies and Double Cabin  

 

Survey Equipment 

  •   Reference station and Rover, Trimble R-8, GNSS Triple frequency 

  •   Reference stations and Rovers, LEICA 1200 dual Frequency GPS RTK System.

  •   Reference stations and Rover, LEICA 500 dual Frequency GPS RTK System.

 

Survey Software 

 

  • Trimble Business centre(TBC)

  • LGO- software 

  • SKI-PRO Software      

 

                                   

Past Experience/Achievements  

  • Man portable and Heli-portable Seismic Operations.

  • Work experience in all types of topography/terrain with

  • Vibrators and Dynamite in 2D/3D modes.

  • Contract Jobs carried out by OGDCL since 1978. .

  • More than 30 years experience of contract work.  

 

Our Clients  

  •   Gulf Oil

  •   Occidental Oil Company

  •   Petro Canada

  •   Albion Pakistan Inc.

  •   OMV Pakistan

  •   Hycarbex

  •   Orient Petroleum Inc.

  •   Pakistan Petroleum Limited

  •   Mari Gas Company Limited

  •   Pakistan Oil Fields Ltd.

 

 

Seismic Data Processing Centre

  

Team of highly skilled SDP professionals

  • Team of 30 SDP Professional.
  • Upto 31 Years of SDP Experience
  • Foreign and locally Trained professionals.
  • Experience of processing Seismic Data for Complex Geological structure.
  • Achieved Excellent Results from Seismic Data Processing.
  • Handled a Number of OGDCL’s & Joint Venture Assignments.
  

 

Our Mission Is
“To achieve goals of oil & gas exploration of OGDCL by meeting the targets of Seismic Data Processing in collaboration with Seismic Operations & Prospect Generation Departments through the best available, top of the line, industry standard systems & maintaining the excellence of professional knowledgebase for providing the outputs of highest quality from input data of 2-D & 3-D land and offshore Seismic Surveys.”

Introduction of New Computer Technology through Keeping Pace with futuristic Technologies 

  
Procured and installed State of the Art Seismic Data Processing (SDP) System in December 2012 Comprising of Latest Top of the Line Hardware & Basic to Advanced SDP Packages that can perform the Seismic Processing Operations for the 2D and 3D data.

SDP system comprises of: 

  • Blade Cluster Architecture: 56 compute nodes
  • 3-D Data Processing: 3000 Km2 / Annum
  • Processing Activity 2-D: 12,000 Km / Annum
  • Complete Interactive Mode for Standard Processing
  • Capability to Handle Advanced and Special Processing up to 3D PSTM and 2D PSDM of Land and off-Shore Seismic Data.

 

 

Seismic Data Processing Services Offered by SDP Department

Through its Team of Highly Experienced Processing Professionals, The Department provides the Following Services for Land and Off-Shore Seismic Data Processing:

  • In-house 2-D/3-D Pre-stack Time Migration and 2D Depth imaging.
  • Geoscientific data retrieving, reformatting and copying on desired output media devices.

 

 

Seismic Data Processing performed during Last 5 Years

 

Sr. No.

Year

2-D processing L. Kms  

3-D processing
Sq Kms

1.

2011-12

3736.86

 -  -  -  -

2.

2012-13

2304.81

 -  -  -  -

3.

2013-14

5250.56

-  -  -  -

4.

2014-15

8473.51

1235.22

5.`

2015-16

9000.00

2907.00

Total Processing

28765.74

4142.22

 

Data Management and Archival (DMA) system

DMA system working in Seismic Data Processing Centre has the capability of Geophysical data retrieving, reformatting and re-mastering on desired output media devices including 3480, 3490, 3590, 3592, LTO3, LTO4, EXABYTE, SDLT600.  The Data Management & Archival (DMA) System has successfully re-mastered 617 2D and 136 3D projects on high density media by incorporating 15500 input and 3500 output media since December 2010.