Subsea Installation Team, Inc.
SUBSEA CAP SOLUTIONS
Field-proven subsea wellhead caps designed for reliable protection across offshore operations.
Company overview
Engineered for demanding subsea environments
Our subsea wellhead caps are designed for temporary abandonment, permanent abandonment, decommissioning operations, and wet parking of subsea trees — with no operational water depth limitations. Engineered for deployment across all depths, our lightweight composite systems serve as a primary debris and corrosion barrier.
Built on hands-on oilfield experience dating back to 1974, and offshore subsea operations since the middle 1980s, TACAP delivers field-proven caps for offshore operators worldwide.
Wellhead Protection
A primary barrier against debris, corrosion, and marine fouling during temporary abandonment or decommissioning.
ROV Installation
Fast ROV installation and a secure fit over standard wellhead profiles, fully compatible with hot-stab handling systems.
Abandonment &
Decommissioning
Purpose-built for temporary abandonment, permanent abandonment, decommissioning, and wet parking of subsea trees.
ABOUT OUR CAPS
Our subsea wellhead caps are meticulously designed for temporary abandonment, permanent abandonment, decommissioning operations, and wet parking of subsea trees with no operational water depth limitations. Engineered for deployment across all depths, our lightweight composite systems serve as primary debris and corrosion barriers.
Built on direct hands-on oilfield experience dating back to 1974 and offshore subsea operations since the late 1980s, TACAP delivers field-proven caps—including 27″ H4, 30″ Super HDH4 (SHDH4), 42″ Conductor, and DW-HC profiles—along with complete subsea cap refurbishing services for offshore operators worldwide.
WHY CHOOSE US
Delivering Excellence and Reliability in Subsea Solutions
01
Proven Track Record
With 35+ years of subsea wellhead experience—starting in 1991 installing subsea wellheads for a major Houston OEM, and 25 years with Subsea Installation Team (SIT)—we deliver products trusted by industry leaders for extreme conditions.
02
Cap Profiles & Refurbishing
Field-proven Subsea Cap, Beacon Cap, 27″ H4, 30″ Super HDH4, 42″ Conductor, and DW-HC profiles, backed by custom engineering and complete offshore subsea cap refurbishing services worldwide.
03
Direct Technical Expertise
Direct guidance from experienced subsea specialists for Wellhead Tender, wellhead QA consulting, TA cap selection, assisting in tieback connector and riser recovery.
Subsea Cap Product Line
Standard 27″, 30″, and 42″ profiles, plus DW-HC and specialty configurations. Custom sizes available on request.
27″ Profile
27″ H4 TACAP
Field-proven subsea wellhead protection for offshore operations.
30″ Profile
30″ Super HDH4 (SHDH4)
Heavy-duty protection for demanding offshore subsea applications.
42″ Profile
42″ Conductor Cap
Subsea protection for large conductor and wellhead applications.
DW-HC Profile
DW-HC Cap
Reliable temporary wellhead protection for deepwater operations.
Specialty
ROV & Beacon Caps
ROV-installable protection for subsea wellhead applications.
Service
Cap Refurbishing
Inspection, restoration, and refurbishment services for TACAP caps.
Technical solution
ALLin TACAP
Cap is deployed, installed, and a canister is installed containing an oxygen scavenger with biocide. The canister can be replaced subsea after future inspections without recovery.
01
Cap is deployed and installed.
02
A canister containing an oxygen scavenger with biocide is installed.
03
The canister can be replaced subsea after future inspections, without recovering the cap.
Where TACAP Is Used
TACAP wellhead caps are used in temporary abandonment, permanent abandonment, decommissioning, and wet parking of subsea trees — with ROV-installable deployment at all operating depths.
01
Temporary Abandonment
A primary debris and corrosion barrier for wells placed in temporary abandonment.
02
Permanent Abandonment & Decommissioning
Used in permanent abandonment and decommissioning operations on subsea wellheads.
03
Wet Parking / Subsea Trees
Protection for wet parking of subsea trees and related wellhead profiles.
04
ROV & In-Situ Operations
ROV-installable and hot-stab compatible. The ALLin canister can be replaced subsea without recovering the cap.
Specialist subsea engineering
Decades of hands-on offshore experience
Built on direct, hands-on oilfield experience dating back to 1974 and offshore subsea operations since the middle 1980s. From running inflatable packers worldwide for a major Houston OEM to installing subsea wellheads globally from 1991 to 2001, we established Subsea Installation Team, Inc. in 2001 to deliver technical field support, QA/QC, and specialized wellhead protection.
1974
Oilfield experience
Direct hands-on oilfield experience begins.
Middle 1980s
Offshore Subsea Operations & Packer Deployment
Ran inflatable packers for a major Houston OEM on worldwide projects, launching specialized offshore subsea operations.
1991–2001
Global Subsea Wellhead OEM
Installed subsea wellheads worldwide for a major subsea equipment OEM.
2001
Subsea Installation Team, Inc. (SIT)
Founded SIT to provide specialized subsea consulting services, wellhead tender support, and QA/QC inspection on critical subsea equipment—including Hydraulic Tieback Connectors, Subsea Wellheads, and Subsea Trees.
Technical support
Cap refurbishing, worldwide
TACAP provides professional cap refurbishment services to help restore existing subsea equipment for continued field use.
