coiledtubingdrilling.com

Coiled Tubing Drilling Service is the directional coiled tubing drilling (DCTD) arm of AnTech, a UK-based innovation company. The site describes a complete DCTD service built around AnTech's proprietary COLT and POLARIS bottom hole assemblies (BHAs), covering project planning, tool and crew supply, and coordination with rig and fluid handling providers. It is aimed at operators who want to drill directionally or horizontally underbalanced — to tap existing reserves, improve reservoir productivity, or apply the same technology to geothermal, hydrogen, carbon capture and storage, and critical minerals drilling.

What the service actually covers

According to the site, AnTech positions this as an end-to-end offering rather than a tool rental:

• Project planning — working through the well programme before mobilisation.
• Liaison with third parties — coordinating with rig providers and fluid handling contractors.
• Tools and crew — supplying the downhole equipment and the people to run it.
• Directional and horizontal drilling — the core capability, performed underbalanced.

The stated commercial goal is to access untapped reserves and extend the productive life of mature wells.

The technology behind it

Two proprietary bottom hole assemblies are named on the site:

Both are described as AnTech's own designs. The site also lists supporting products and services that sit around the drilling operation — casing exit solutions, RockSense, ATLAS modelling software, drilling optimisation, and vibration modelling — which suggests the DCTD service is offered alongside a wider engineering toolkit rather than in isolation.

Where it is applied

The site frames CTD as suited to more than conventional oil and gas work. Named applications include:

• Mature field production — reaching reserves that conventional rigs cannot economically access.
• Geothermal — drilling for heat extraction.
• Hydrogen — drilling for hydrogen-related projects.
• Carbon capture and storage — well construction for CO₂ injection.
• Critical minerals — mining-related drilling.

This positioning reflects the broader energy transition market rather than a pure oilfield services focus.

Who the site is written for

The navigation splits its audience explicitly:

• Operators — pages explaining the benefits of CTD and where it can be applied to their wells.
• CT rig companies — material on why their customers should consider CTD and how to partner with AnTech, including converting a CT unit to e-line.

There is also a resources centre with industry case studies, a glossary, and useful links, plus a blog covering CTD and product topics.

What to check before enquiring

The site does not publish pricing, and no payment or booking platform is listed — the route in is an enquiry form. If you are evaluating whether this service fits a project, the practical starting points are the "Information for Operators" and "Information for CT Rig Companies" sections, and the case studies in the resources centre, which show where the technology has already been deployed. For anything project-specific — well conditions, underbalanced requirements, tool availability — you would need to contact AnTech directly, since those details are not covered on the public pages.

Project management is the discipline of planning, executing, and closing a temporary effort that produces a specific outcome—distinct from ongoing operations, which repeat indefinitely. You "run" a project by moving it through five phases (initiation, planning, execution, monitoring, closure), maintaining four core artifacts (scope, schedule, budget, risk register), and choosing a methodology (waterfall, agile, or hybrid) that matches how much uncertainty you face. This guide explains each piece and where projects typically break.

Project vs. operations: the line that matters

A project has a defined start and end, a unique deliverable, and a temporary team. Operations are continuous and repeatable—processing payroll, running a support desk, maintaining a production line.

The distinction changes how you manage:

If the work never "finishes," you are managing operations and should use process-improvement methods instead of project controls.

The five phases, and what each produces

Initiation

Define why the project exists and who owns it. Outputs: a project charter (problem, goal, sponsor, high-level constraints) and a stakeholder list. Without a named sponsor with authority to remove blockers, projects stall at the first conflict.

Planning

Turn the goal into a workable plan. Outputs: scope statement, work breakdown structure (WBS), schedule, budget, resource plan, and risk register. Planning is where scope creep is prevented—or invited—by how precisely you define what is out of scope.

Execution

The team does the work. Your job shifts to coordination: assigning tasks, unblocking people, and keeping communication flowing. Most of the project manager's time is spent here.

Monitoring and controlling

Runs alongside execution. You compare actual progress against the plan and correct course. Outputs: status reports, change requests, updated risk register. This is not a separate phase in time—it is a parallel activity.

Closure

Deliver, get formal acceptance, release the team, and capture lessons learned. Skipping closure means the next project repeats the same mistakes.

The four artifacts that hold a project together

• Scope — what is included and explicitly excluded. The WBS decomposes scope into deliverable-sized chunks.
• Schedule — tasks, dependencies, durations, and milestones. Critical-path tasks have zero slack; delay them and the whole project slips.
• Budget — estimated cost by category, with contingency for known risks.
• Risk register — each risk with likelihood, impact, owner, and a response (avoid, mitigate, transfer, accept).

A change to any one of these usually affects the others. That relationship is the "triple constraint": scope, time, and cost trade off against each other, with quality as the outcome.

Waterfall, agile, or hybrid: pick by uncertainty

Choose waterfall when change is expensive and requirements are clear. Choose agile when you can deliver in increments and learn as you go. Choose hybrid when a fixed milestone (e.g., a compliance review) must coexist with iterative build work.

Documenting current state and keeping people aligned

Before you can plan change, you need a shared picture of how things work today. Teams often map the current state—processes, systems, dependencies—so that everyone, including new contributors, works from the same reference. Lucid positions its capabilities around documenting the current state of a business and keeping people and AI agents aligned as work moves forward, which fits the "shared reference" problem that derails projects when it is missing.

Practically, alignment requires:

• One source of truth for status, not five.
• A visible owner for every open risk and decision.
• A cadence (daily standup, weekly review) that matches the project's pace.

Where projects actually fail

• No sponsor authority — decisions stall; escalate early or the project drifts.
• Vague scope — "improve the portal" becomes infinite. Write exclusions.
• Optimistic estimates — no contingency, no buffer on critical-path tasks.
• Silent risks — a register nobody updates is decoration.
• No closure — lessons lost, team not released, benefits never measured.

Troubleshoot by returning to the artifact that is weakest: if dates keep slipping, re-examine dependencies and estimates; if scope keeps growing, reassert the change-control process; if the team is confused, the problem is usually communication cadence, not effort.

Getting started

Pick your methodology based on uncertainty, write a one-page charter, build a WBS before a schedule, and keep a live risk register. If you need a shared place to document current state and keep contributors aligned, Lucid offers a free sign-up and published pricing for its charting plans—check the current terms on its pricing page before committing a team.

AnTech's Coiled Tubing Drilling (CTD) service is structured around two distinct audiences: oil and gas operators who want the benefits of directional drilling on their wells, and coiled tubing (CT) rig companies that want to offer CTD to their customers. The site separates these paths into dedicated pages — "Information for Operators" and "Information for CT Rig Operators" — so each party can find the relevant benefits, applications, and partnership route. If you are an operator, start with the operator page to assess fit and then use the Enquire or Contact Us page. If you run a CT rig company, start with the rig operator page to understand the partnership model.

Who the service is for

AnTech describes itself as an innovation company built on people and technology, providing a complete Directional Coiled Tubing Drilling (DCTD) service using its proprietary COLT and POLARIS Bottom Hole Assemblies (BHAs). The service is positioned for two groups:

• Operators — companies that want to drill directional and horizontal wells, including underbalanced drilling, to tap existing reserves and improve reservoir productivity.
• CT rig companies — companies that already own or operate coiled tubing units and want to bring CTD capability to their own customers.

The site also notes that CTD technology is suited to energy transition applications: geothermal, mining for critical minerals, drilling for hydrogen, and carbon capture and storage.

If you are an operator

The "Information for Operators" page is the starting point. According to the site, it covers the benefits of using Coiled Tubing Drilling on your wells and where it can be applied.

AnTech states it can:

• Plan your project and liaise with rig and fluid handling providers.
• Provide the tools and crew to complete the job.
• Help you tap into existing reserves and increase the production productivity of reservoirs.
• Deliver the benefits of directional and horizontal wells while drilling underbalanced.

A practical sequence for an operator:

1. Read the operator information page to check whether CTD fits your well objectives (for example, accessing untapped reserves in a mature field, or drilling underbalanced).
2. Review the case studies and resources centre for examples of applications.
3. Use the Enquire or Contact Us page to start a conversation about your project.

What to verify before enquiring: the site does not publish pricing, lead times, or specific well criteria. Those details need to come from a direct enquiry.

If you are a CT rig company

The "Information for CT Rig Operators" page is aimed at rig companies rather than well owners. The site says it explains why your customers should consider CTD and how to partner with AnTech.

There is also a page on converting your CT unit to E-Line, which is relevant if you are assessing whether your existing equipment can support the service.

A practical sequence for a CT rig company:

1. Read the CT rig operator page to understand the customer-facing case for CTD.
2. Check the E-Line conversion information if you are evaluating your current unit's capability.
3. Contact AnTech through Enquire or Contact Us to discuss a partnership.

What AnTech supplies versus what you supply

This split matters because AnTech positions itself as the technology and service provider, not as the rig owner. The site states it can liaise with rig and fluid handling providers, which implies coordination rather than replacement of your existing contractors.

How to make contact

The site lists two routes: Enquire and Contact Us. Both appear in the main navigation and in the footer. There is also a Live Chat option. The Contact Us page includes "Our Locations," which is useful if you need to know whether AnTech has a presence near your operation.

Where CTD is positioned beyond oil and gas

The site states that CTD technology is ideally suited for:

• Geothermal applications
• Mining for critical minerals
• Drilling for hydrogen
• Carbon capture and storage solutions

This is relevant if you are an operator or rig company working in those areas rather than conventional oil and gas, since the same service and toolset is presented as applicable.

Common sticking points

• No published pricing. The site has no pricing links or payment platforms listed, so cost must be established through enquiry.
• Two different pages for two different audiences. Going to the wrong one wastes time — operators should not start on the rig operator page and vice versa.
• Equipment questions. If you are a rig company, the E-Line conversion page is the relevant technical reference before you assume your unit is compatible.
• Project scope. AnTech plans the project and liaises with providers, but the site does not detail contract terms or division of responsibility beyond that. Clarify this in the enquiry.

Coiled Tubing Drilling (CTD) is positioned as a service that enables and accelerates the energy transition, and AnTech's site states that its CTD technology is "ideally suited for geothermal applications, mining for critical minerals, drilling for hydrogen and carbon capture and storage solutions." The company backs this with dedicated site sections for Net Zero Path, Carbon Capture and Storage, Hydrogen Storage, and Geothermal. If your project involves any of these four areas and you want a drilling method that can work underbalanced and in directional or horizontal wells, CTD is worth evaluating. The exact fit depends on your well design, reservoir or storage conditions, and whether you need a full service package or just tools and crew.

Why CTD Fits Energy Transition Projects

AnTech describes its Directional Coiled Tubing Drilling (DCTD) service as using proprietary COLT and POLARIS Bottom Hole Assemblies (BHAs). The stated benefits are directional and horizontal wells drilled while underbalanced, plus the ability to tap existing reserves and increase reservoir production productivity.

For energy transition work, those same capabilities matter for different reasons:

• Geothermal — directional and horizontal wells can improve access to hot zones, and underbalanced drilling can help manage formation damage in sensitive reservoirs.
• Hydrogen storage — storage projects need wells that can be drilled and completed reliably; CTD's directional capability supports the well geometry these projects often require.
• Carbon capture and storage (CCS) — injection and monitoring wells benefit from the same directional and underbalanced advantages.
• Critical minerals — mining-related drilling can use CTD where conventional rig access is limited or where underbalanced conditions are preferred.

The site groups these under a Net Zero Path section, which signals that AnTech treats them as a coherent service line rather than one-off applications.

What the Service Actually Includes

AnTech states it provides a complete DCTD service. According to the site, the company can:

• Plan your project
• Liaise with rig and fluid handling providers
• Provide the tools and crew to complete the job

This matters for energy transition projects because they often involve partners who are not traditional oil and gas operators — for example, geothermal developers or storage project teams. Having a single service provider coordinate rig and fluid handling reduces the number of interfaces you have to manage.

The toolset is built around COLT and POLARIS BHAs, which are AnTech's proprietary bottom hole assemblies for directional coiled tubing drilling.

Where to Find More Detail

The site organizes relevant information into several sections you can use to evaluate fit:

If you are an operator, the "Information for Operators" section is the stated starting point for understanding benefits and applicability. If you are a CT rig company, there is a separate section explaining why your customers should consider CTD and how to partner with AnTech.

How to Decide If CTD Is Right for Your Project

Use these questions to narrow it down:

1. Is your project in one of the four areas? Geothermal, hydrogen storage, CCS, or critical minerals. If yes, CTD is explicitly positioned for you.
2. Do you need directional or horizontal wells? CTD's stated strength is directional and horizontal drilling.
3. Is underbalanced drilling an advantage or requirement? The service is built around drilling underbalanced.
4. Do you need a full service package? AnTech offers project planning, rig and fluid handling liaison, plus tools and crew. If you only need tools, that is a different conversation.
5. Do you want to see prior work? The Industry CTD Case Studies section is where to look for comparable projects.

If you answer yes to the first three and you want a single provider to coordinate the drilling service, the next step is to review the relevant Net Zero Path subsection and then use the Enquire option on the site to discuss your specific project.

A Practical Note on Scope

The site does not publish pricing or detailed technical specifications for individual projects. Those are handled through the enquiry process. What the site does make clear is the application areas and the service model: plan the project, coordinate rig and fluid handling, and supply tools and crew. For energy transition projects where internal drilling expertise may be limited, that model can reduce the burden on your team — but you still need to confirm that your well conditions match what CTD can handle. The case studies and the operator information section are the best places to start that confirmation.

COLT and POLARIS are the two proprietary bottom hole assemblies (BHAs) that AnTech uses to deliver directional coiled tubing drilling (DCTD). COLT is the directional drilling BHA, and POLARIS is the casing exit system used to start a new directional wellbore from an existing well. Together they are the technical core of AnTech's coiled tubing drilling service: COLT does the steering and drilling, POLARIS creates the window that lets the assembly leave the original wellbore.

What each tool does

The distinction matters when you are planning a job. A casing exit is a prerequisite for most re-entry directional drilling, so POLARIS is typically the first tool downhole. COLT then takes over for the drilling phase, where the BHA has to deliver directional control while the coiled tubing provides the conveyance.

Why AnTech pairs them with underbalanced drilling

AnTech's service description states that it provides directional and horizontal wells "whilst drilling underbalanced." Underbalanced operation is a deliberate choice, not a default: it is used to reduce formation damage and improve productivity in reservoirs that would be harmed by overbalanced drilling. Both BHAs are designed to work within that operating mode, which is why they are presented as a matched system rather than standalone tools.

What the service around the tools includes

The BHAs are not sold as isolated hardware. AnTech describes a complete DCTD service that covers:

• Project planning before the job
• Liaison with rig and fluid handling providers
• Supplying the tools and the crew to complete the job

So if you are evaluating COLT and POLARIS, you are really evaluating a service package. The tools determine what is technically possible; the planning, fluid handling coordination, and crew determine whether the job executes as designed.

Where the technology is being applied

AnTech positions CTD as suited to both conventional production work and energy transition applications. The site lists:

• Geothermal
• Mining for critical minerals
• Drilling for hydrogen
• Carbon capture and storage

It also notes that with production increasingly coming from mature fields, operators are looking at CTD as a way to reach untapped reserves and extend well life. That is the commercial case for a casing exit plus directional drilling system: you add drainage points to a well you already own instead of drilling a new one from surface.

How to decide whether this fits your well

COLT and POLARIS are relevant if you have an existing well with casing you can exit, a target that requires directional or horizontal reach, and a reservoir where underbalanced drilling is acceptable or preferred. They are less relevant if your objective can be met with a straight re-entry or a conventional rotary drilling program.

To move from general interest to a specific answer, the practical next step is to bring your well data — casing details, target location, reservoir pressure — to AnTech and ask them to confirm whether a COLT/POLARIS program is feasible. The site routes this through its enquiry and "Information for Operators" sections rather than publishing selection criteria or pricing.