LATCHABLE FLANGE FOR AN UNDERWATER DRILLING ASSEMBLY

Rigless drilling and wellhead installation

Underwater drilling apparatus and method for creating a cased borehole underwater

Nearshore subsea drilling

Systems and methods for deploying hydroelectric energy systems

Rigless drilling and wellhead installation

System and method for subsea well operation

Forced separation device for submarine drilling machine and drilling tool

Underwater drilling device and method for procuring drill cores of a bed of a body of water

Dual rotary elevating geotechnical drill

Diffusive gradients in thin films (DGT) probe test device for sediment core in lake and test method using the same

Self sealing jetting valve

Drilling system and method of submarine drilling rig

System and method for casing drilling with a subsea casing drive

Sediment core-drilling process for submarine wire-line coring drill rig

Apparatus and method for cleaning rock debris when deep-water surface drilling is done

Three-dimensional hydraulic oscillator

Underwater Sampling Method and Apparatus

Mobile offshore drilling unit, a method of using such a unit and a system comprising such a unit

Self sealing jetting valve

Method for Collecting Geological Samples and Attitude-Controllable Work Apparatus

Subsea Hydrocarbon Extraction System

Vibration generator for an drilling installation, underwater drilling installation and underwater drilling system

Seabed drilling system

Mobile offshore drilling unit, a method of using such a unit and a system comprising such a unit

Underwater drilling device and method for procuring and analyzing ground samples of a bed of a body of water

Wellbore drilling using dual drill string

Methods for retrieval and replacement of subsea production and processing equipment

Methods for retrieval and replacement of subsea production and processing equipment

Distributed marinized borehole system

UNDERWATER DRILLING RIG ASSEMBLY AND METHOD OF OPERATING THE UNDERWATER DRILLING RIG ASSEMBLY

Subsea drilling with casing

Downhole tool for increasing a wellbore diameter

Subsea drilling with casing

DRILLING SYSTEM AND METHOD

Underwater work assembly and method for anchoring thereof

Underwater drilling arrangement and method for making a bore

Underwater drilling arrangement and method for making a bore in a bed of a water body

Remotely operable underwater drilling system and drilling method

Underwater drilling arrangement and method for making a bore

Tideway positioning system

Underwater drilling arrangement and method for introducing a foundation element into a bed of a body of water

Method, apparatus and system for attaching an anchor member to a floor of a body of water

Deepwater completion installation and intervention system

Method and system for circulating fluid in a subsea intervention stack

OCEAN FLOOR DEEP-SEA SUBMERGED DECK

METHOD AND A DEVICE FOR INTERVENTION IN AN UNDERWATER PRODUCTION WELL

Subsea drilling with casing

Device for cutting out and opening/closing an orifice in a wall at the bottom of the sea

DRILLING RIG PLACED ON THE SEA BED AND EQUIPPED FOR DRILLING OF OIL AND GAS WELLS

Wireline System

Water bottom ore sampler and method of using the same

Construction of FPDSO vessel

Well servicing tool storage system for subsea well intervention

Subsea Drilling System and Method for Operating the Drilling System

Separation Device for Material from a Power Tong on a Drilling Rig Situated on the Sea Bed

Tool Handling Device in a Drillrig That is Situated on the Sea Bed

Suction coring device and method

Separation device for material from a drilling rig situated on the seabed

Underwater seafloor drilling rig

Drilling rig placed on the sea bed and equipped for drilling of oil and gas wells

Drilling rig

Conductor casing installation by anchor handling/tug/supply vessel

Riserless modular subsea well intervention, method and apparatus

Autonomous well intervention system

Drilling rig

Subsea drilling systems and methods