Data Quality Acquisition

Victor Tobrise +***(*)806-***-**** *************@*****.***

I am an excellent-driven, passionate & result-oriented Geoscientist with the skill in different seismic data acquisition techniques. Experienced in Marine (OBC 2C/3D), transition Zone and land 2D/3D/4D seismic surveys, ensure in the delivery of uphole and LVL technique. Audit of seismic equipment and good teamwork approach to achieve collection of high seismic products with different equipment and software. Taking responsibility to monitor and supervise all HSE matters in seismic campaigns with over fifteen year of experience. My services deliver y of results reflects the deep understanding of the goals and objectives my clients. WORK EXPERIENCE

Senior Geophysicist May 2022-Aug 2023

BGP/CNPC International Angola Limited.

Compilation of project work plan, mobilization plan, technical proposals and liaise with client for all pre-start field tests, instrument audit and documentations of quantum nodes.

Uphole/LVL data acquisition, processing and interpretation.

Daily production and time analysis reporting, explosive control and management

Training of field Qcs. drills and recorders.

Monitoring of Peak Particle Velocity.

Responsible for all aspects of health, safety and environmental concerns in particular work area. Must adhere to HSEQ policies and demonstrate safe work practices.

Compilation of bid and tender.

PROJECTS EXECUTED

1000Km of 2D Seismic Survey for Azule Energy using dynamite and wireless node. Senior Geophysicist Sept 2015-Aug 2019

BGP/CNPC International Nigeria Limited

Compilation of crew production progress and technical reports.

Manage seismic surveys responsibly with a view to minimizing direct and indirect impacts by regular review and analysis of the survey HSE plans.

Evaluating field seismic data Qc/data processing, confirming source and receiver positioning and performing QC on shots records/field stacks to ensure data quality and compliance with contracted specifications.

Seismic acquisition survey design, modeling and geometry analysis.

Seismic modeling and ray-tracing of target model for evaluation of optimum acquisition parameters, generation of synthetic records and illumination profiles for detail attribute analysis.

Full QC and evaluation of client’s issued acquisition parameters via analysis of illumination plots and bin attributes (fold, offset, azimuth distribution).

Responsible for daily inspection of all raw shot gathers, LMO corrected sections, 2D brute stack and spectral analysis of selected shots to evaluate data quality.

Responsible for the definition and implementation of the project’s technical and quality specifications.

Seismic acquisition survey design, modeling and geometry analysis.

Monitor data quality, and ensure strict compliance with contracts guidelines on data quality. Ensure compilation of final SPS data and support document for data delivery to client.

Provide power point technical presentations and status reporting to client and company management.

PROJECTS EXECUTED

600 sq.km OML 28 3D Seismic Survey for SHELL-Nigeria using dynamite and airgun as Source.

High-resolution OML 28 regional-2D Seismic Survey for SHELL-Nigeria using dynamite Source

Client Site Representatives (Qc Geophysicist) Dec 2014-Mar 2015 NIGDEL United Oil Company (NUOC)

Supervised daily work plan to ensure compliance and to maximize productivity without compromising quality for the client.

Ensuring quality control and specifications monitoring of seismic data acquisition project.

Supervised a marine Operation, including all navigation systems and acoustic positioning for the marine vessels with 3-D OBC/ dual sensor operations bottom cable.

Monitored the data quality utilizing QC onboard processing. PROJECTS EXECUTED

300 sq.km OPL 233 (OBC) 3D Seismic Survey for NIGDEL United Oil Company (NUOC)

-Nigeria using airgun as Source.

Senior Geophysicist Jan 2010-Aug 2014

BGP/CNPC International Nigeria Limited

Field planning of seismic source and receiver points to ensure contractual coverage requirement is maintained.

Close monitoring of fold coverage in congested area during acquisition and planning of infill shots when necessary, to compensate for deficiencies in the coverage due to offset.

Ensured proper planning and management of shot points for efficient and sufficient drill lead.

Carried out proper coordination and supervision of drill section to ensure drilling of specified shot type and depth in the various terrains.

Ensured error-free and unambiguous bin-in data are supplied to the recording section in advance of recording production.

Involved in the design of 3D survey and key member of BGP/CNPC team for the start-up, parameter optimization analysis and field test for the project.

SPS data compilation, qc and management of the final SPS data.

Onsite data processing of acquired shots and daily QC of shot records.

Prepared crew’s daily, periodic and technical reports.

Responsible for real-time processing of acquired data and generation of LMO and Brute-Stack sections for geometry confirmation and appraisal of data quality.

Responsible for the generation and submission of error-free SPS data to observers for acquisition and management of the post-plot SPS files.

I conducted training sessions prior to the commencement of every project for surveyors, drillers and recording observers.

Compilation of crew production progress and technical reports. Project Experience

I was involved with the survey design, field planning, technical audits, quality control and data processing of multiple seismic exploration projects, including the first urban 4D survey using Sercel UNITE cable-less recording system (OML-17 4D) and the first Vibroseis 3D seismic survey in Nigeria (Chad Basin 3D). During this period, I also prepared tender/bid documents for several seismic acquisition and processing projects in Nigeria and Republic of Chad, PROJECTS EXECUTED

200+ sq.km OML 17 Urban 4D Seismic Survey for SHELL-Nigeria using dynamite as source and Sercel UNITE system.

700+ sq.km OML 23 3D Seismic Survey for SHELL-Nigeria using dynamite and Airgun Source.

300+ sq.km OPL 135 3D Seismic Survey for Eni-Agip using Dynamite Source.

350+ sq.km OML 103 3D Seismic Survey for CONOIL using Dynamite Source.

197 sq.km Chad Basin P7-P8 3D 3D Seismic Survey for NNPC-NAPIMS with vibroseis and dynamite as source.

Geophysicist Oct 2006-Dec 2009

BGP/CNPC International Nigeria Limited

Preparing daily script for recording instrument.

Monitored fold of coverage during data acquisition, compiled pre/post-plot SPS and generated 3D script for recording operations.

Frequency spectrum analysis for each brute stack and shot gather.

Onsite data processing of acquired shots and daily QC of shot records.

SPS data compilation, qc and management of the final SPS data.

Devised a real-time seismic method that employs stake-less surveying, during acquisition of seismic datas.

Responsible for management of survey, drill and recording operations during seismic projects.

Prepared crew’s daily, periodic and technical reports.

Issued shot hole drilling program to drillers and ensured compliance to specifications.

Carried out real time acquisition quality control using SQC PRO onboard recording platform.

Supervised geometry checking, in-field data processing (including instrument test analysis) and check for data content and quality.

Daily production and time analysis reporting, explosive control and management.

PROJECTS EXECUTED

400+ sq.km OML 31 3D Seismic Survey for SHELL-Nigeria using dynamite and Airgun Source.

200+ sq.km OML 28 3D Seismic Survey for SHELL-Nigeria using dynamite and Airgun Source.

150+ sq.km OML 11/22 3D Seismic Survey for SHELL-Nigeria using dynamite and Airgun Source.

Area of Studies

Land, mountainous, transition zone, desert, urban and marine. EDUCATION & TRAINING

1998-2006: B.Eng Petroleum Engineering Third Class UNIVERSITY OF PORT HARCOURT Technical Skill

AutoCAD, TGO, Surfer, Voxler, Didger, Global Mapper, ArcGIS, Shell processing support software

(SPSMS,) SPSpro, SPSsuite work, Mesa Geological Modelling, Omni, GeoEast, Grisys, Promax, Vista Processing, NZXP Recorder, Klsies and GpSeismic

Professional Affiliation(s)

Society of Petroleum Engineering (SPE).

Nigeria Association of Petroleum Explorationist (NAPE). Major Capabilities

Computer & Software

Effective level of Excel Spread sheets Modelling, PowerPoint presentation & XP office. Project Management

Excellent Communication & Interpersonal Skills, Highly Motivated & proactive,

Excellent Time Management Skills; Excellent Teamster & highly collaborative.

Strong interest in innovation & implementation of sustainability solutions.

Technical Writing Skills, Analytical & Problem-Solving Skills; Adheres to instruction.

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