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Case Histories

Proof in the field.

Real challenges. Engineered solutions. Measurable outcomes.

Hyperseal Synteg solutions are applied to complex well-integrity, diagnostics, production and monitoring challenges across the region. Explore selected applications and field outcomes.

Featured Case Histories

Three examples. Real impact.

Diagnose

Field A well integrity surveillance

Field A, offshore Vietnam · PVEP POC

Challenge

A multi-well surveillance campaign was required to determine tubing and production-casing corrosion, internal...

Solution

Hyperseal deployed ALFA acoustic leak-flow analysis, MTD magnetic thickness detection and MFC multi-finger cal...

Result

Leak / communication points and flow behind casing were identified and verified in six wells, with a clear pic...

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Diagnose

Field B cement evaluation

Field B, offshore Peninsular Malaysia · PETRONAS Carigali

Challenge

Cement integrity behind tubing in a monobore completion needed to be assessed before production, with accurate...

Solution

Radial cement bond logging combined with gamma-ray casing-collar locator logging.

Result

Reliable cement-evaluation logs were delivered for client assessment of cement quality, with GRCCL depths conf...

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Diagnose

Annulus Pressure Investigation

Offshore Malaysia · Field reference

Challenge

Annulus pressure behaviour needed to be understood to confirm whether communication was present and to quantif...

Solution

APIS annulus pressure integrity surveillance was combined with EchoPulse liquid-level measurement and Quantis...

Result

Annulus communication and flow behaviour were identified, giving a clear basis for the next integrity decision...

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Browse All Case Histories

Explore by solution area.

Practical solutions delivered across diagnostics, rectification, production optimization and assurance.

Diagnose

Field A well integrity surveillance

Field A, offshore Vietnam

Challenge

A multi-well surveillance campaign was required to determine tubing and producti...

Result

Leak / communication points and flow behind casing were identified and verified...

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Diagnose

Field B cement evaluation

Field B, offshore Peninsular Malaysia

Challenge

Cement integrity behind tubing in a monobore completion needed to be assessed be...

Result

Reliable cement-evaluation logs were delivered for client assessment of cement q...

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Diagnose

Annulus Pressure Investigation

Offshore Malaysia

Challenge

Annulus pressure behaviour needed to be understood to confirm whether communicat...

Result

Annulus communication and flow behaviour were identified, giving a clear basis f...

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Diagnose

Cased-Hole Leak Investigation

Southeast Asia

Challenge

A cased-hole leak path and possible tubular or cement integrity issues needed to...

Result

The leak path and barrier condition were identified, supporting a targeted repai...

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Diagnose

Well Performance & Flow Evaluation

Regional Deployment

Challenge

Inflow, outflow and reservoir contribution needed to be understood to explain we...

Result

A clear picture of interval contribution and well dynamics supported the subsequ...

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Rectify

Field C tubing & casing hanger leak repair

Field C, offshore Terengganu

Challenge

Surface leaks were present on several wells before and during a P&A campaign. Le...

Result

Eight severe wellhead leaks were cured, allowing operations to continue without...

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Rectify

Field D 36" conductor and casing-hanger leak

Field D, offshore Malaysia

Challenge

Gas seepage was observed at two conductors at the gap between the landing suppor...

Result

All leaking casing-hanger seal ports were rectified. No further gas was observed...

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Rectify

Field E control-line leak diagnostic & rectification

Field E, offshore Malaysia

Challenge

Two-way control-line leak communication. The line could not hold pressure, with...

Result

The control-line leak was sealed after positive and negative pressure testing. G...

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Rectify

Field F dual production packer repair

Field F, offshore Sabah

Challenge

A 9-5/8" x 3-1/2" production packer at 2,021 ft was leaking. Scanwell leak rate...

Result

The packer held pressure after the leak was cured, with zero pressure increase i...

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Rectify

Field G cement-plug leak rectification

Field G, West Papua

Challenge

Temporarily abandoned wells suffered sustained casing pressure, with suspected m...

Result

Two barrels of resin plug were successfully injected via macaroni string and cur...

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Rectify

Field H sustained casing pressure rectification

Field H, Peninsular Malaysia

Challenge

A producing well had been shut in with multiple intervention and integrity issue...

Result

Hyperseal injected 2.5 bbl of resin, equivalent to approximately 12 m of plug, a...

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Optimize

Field I through-tubing gas lift optimization

Field I, North Sabah

Challenge

Selected wells with 3.5" tubing required improved production performance and mor...

Result

A super charged gas lift showed improved production, more stable well performanc...

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Optimize

Field J through-tubing gas lift optimization

Field J, Sabah Waters

Challenge

Selected wells with 4.5" tubing required improved production performance and mor...

Result

A super charged gas lift showed improved production, more stable well performanc...

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Assure

Field K remote pressure monitoring

Field K, Sabah

Challenge

The remote platform had no continuous visibility of key well and production pres...

Result

Continuous pressure visibility gave the customer better operational insight, fas...

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Optimize

Field L remote well monitoring during infrastructure blackout

Field L, Offshore Sarawak

Challenge

Newly completed wells required continuous pressure visibility during a 6–8 month...

Result

Continuous well pressure visibility was maintained throughout the blackout perio...

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Optimize

RYTE Production Chemistry

Permian Basin (Scale Control)

Challenge

Scale and related deposits were limiting pump and motor life, driving frequent c...

Result

305 days treatment duration, zero scale on pump and motor stages, and an estimat...

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Optimize

CPRS Wax & Scale Management

Regional Application

Challenge

Wax and scale deposits were restricting flow and reducing well availability acro...

Result

Reduced flow restrictions and improved well availability.

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