Upstream Operations
Drilling Support Services
Technical expertise, specialist equipment, and on-site drilling support services — from spud to total depth, keeping your drilling programme on schedule and on budget.
Service Overview
Comprehensive Drilling Support
Sequential International supports drilling contractors and E&P operators throughout the full drilling lifecycle. Our experienced drilling support professionals provide on-site engineering, technical advisory, and specialist services that keep drilling programmes efficient and safe.
From pre-spud BOP testing to on-bottom drilling fluid management, we integrate seamlessly with existing rig operations to deliver value at every stage of the well-construction process.
“Efficient drilling requires flawless support — we are the team behind the team that keeps wells on programme.”
What We Deliver
Scope of Work
BOP Testing & Maintenance
Function testing, pressure testing, and maintenance of blowout preventers per API 16A and operator requirements.
Drilling Fluids Support
On-site mud engineering, fluid system monitoring, and chemical supply management for all mud types.
Rig Inspection Services
Pre-spud rig inspections covering derrick, hoisting, rotary, and well control equipment readiness.
Drilling Equipment Supply
Supply and rental of drill collars, stabilisers, roller reamers, and bottom-hole assembly components.
Wellsite Geology
Cutting description, sample logging, and hydrocarbon show identification for formation evaluation.
Well Control Support
Certified well control specialists providing on-site advisory and emergency well control response.
How We Work
Our Service Process
Pre-Spud Preparation
Rig inspection, BOP testing, equipment inventory, and pre-spud safety review.
Spud & Drilling
Continuous on-site support during drilling — fluid monitoring, BHA advisory, and wellsite geology.
Casing & Cementing
Support during casing running, cementing operations, and wellbore integrity verification.
TD & Completion
Support through total depth, logging, and transition to completion or plug and abandon.
Why Choose Us
Key Benefits
On-Programme Delivery
Proactive support reduces non-productive time (NPT) and keeps wells on schedule.
Well Control Certified
All our drilling support personnel hold valid IWCF or IADC well control certification.
Independent Technical Advisory
Objective technical oversight that protects operator interests throughout the drilling programme.
Integrated Supply Chain
Drilling consumables and equipment available through our established supplier network.
Regulatory Compliance
BOP records and well control documentation prepared to NUPRC regulatory standards.
Experienced Field Personnel
Drilling support team with verified Niger Delta well construction experience.
Drilling operations are classified as high-risk activities. Sequential International mandates valid IWCF/IADC well control certification for all drilling support personnel. All BOP tests and rig inspections are documented and submitted to the operator and NUPRC as required.
Capabilities
Equipment & Capabilities
BOP Equipment
BOP test units, choke manifolds, and accumulator systems for all ram and annular BOP configurations.
Mud Lab
Portable drilling fluid laboratory for on-site rheology, filtration, and solids content analysis.
BHA Components
Drill collars, stabilisers, subs, and jar systems for a range of hole sizes and directional requirements.
Wellsite Data
Real-time wellsite data acquisition and monitoring for pore pressure, torque, drag, and weight on bit.
Inspection Tools
Rig inspection protocols and checklists covering all major rig systems for pre-spud certification.
Well Control Equipment
Accumulator units and kill sheet tools for well control contingency planning and response.
Need Drilling Support for Your Next Well?
Whether you are planning a development well programme or need specialist drilling support for a single well, contact our team for a customised drilling support proposal.