Down the borehole, you can’t always predict when or how things will go wrong. AMC’s patent pending Borehole Optimisation System (AMC BOS™) anticipates fluid loss, lost circulation and unstable zones, even in the most difficult conditions – making operations smoother and more predictable.
Down the borehole, you can’t always predict when or how things will go wrong. AMC’s patent pending Borehole Optimisation System (AMC BOS™) anticipates fluid loss, lost circulation and unstable zones, even in the most difficult conditions – making operations smoother and more predictable.
The AMC BOS™ comprises the AMC BOS UNIT™ an in-hole lubricating and casing while drilling tool, and AMC BOS FIX™ a rapid fill lubricating grout. The AMC BOS™ is a proactive solution combating fluid losses, borehole instability and torque, by delivering a measured amount of AMC BOS FIX™ at regular intervals to the bottom of the drill string and up the annulus. The fluid reacts instantly with borehole fluids, permeating and sealing fractures, providing a thin but robust lubristic membrane to the borehole wall.
Unlike reactively using traditional methods or using other products, the AMC BOS™ is a preventative measure which can significantly improve diamond drilling productivity, at rig safety, reduce environmental impact and lower overall operational costs.
“In all my time drilling at this site, I have never witnessed a product do what the AMC BOS™ had done to improve drilling and lost circulation conditions.
– Eric Castleberry – Drill Supervisor at Resolution Copper
AMC BOS FIX™ can be injected into high pressure, high temperature, wet or dry environments. The fluid only activates when coming into contact with moisture, ensuring it is placed exactly where it is required and does not contaminate the core sample or the interior of the core barrel if used correctly. The unit takes less than 5 minutes to set up or refill, which can be done at any time during the drill shift, without interruption.
Regular injections of AMC BOS FIX™ to the bottom of the drill string and up the annulus continually seals natural fractures and fissures, to stabilise the borehole, reduce down hole losses and occurrence of lost circulation. Traditionally, LCMs are the first measure used to aid fluid losses. Depending on circumstances, LCM effectiveness may vary, potentially compromising the borehole annulus, causing stuck pipe, and resulting in unwanted rod tripping. In cases of instability, metal casing may need to be applied, which requires unwanted rod trips. The AMC BOS™ creates a continuous and flexible type of casing to assist with loose, unconsolidated, broken, fractures, caving, sloughing, swelling, high friction or washout zones.
Drilling blindly may also be a choice for drillers who experience ineffective products or need to reach certain targets. Without treatment, reaming through unstable zones will increase borehole torque, rod trips, increase fluid consumption, risk prematurely worn out bits and reamers, collapse, contamination, stuck drill pipe, risk of injury and reduce ROP. Cementing/grouting can take up to 48 hours, can be very costly, and introduces increased rod tripping with only a limited success rate of 50%. Consequences of cementing/grouting can far outweigh the process itself, including safety risk (chemical handling, manual handling and slip and trip hazards), rig downtime and increased costs such as vacuum trucks and consumables. With a proactive approach, the AMC BOS™ is a less risky alternative to variable or ineffective methods for fluid loss, borehole instability or torque control.
| Item | Description |
|---|---|
| Dimensions | 63cm x 50cm x 23cm (25” x 20” x 9”) |
| Weight | N: 17kg (38lb) H/P: 25kg (55lb) |
| Core size compatibility | N, N2, N3, H, H3, P, P3 |
| Core barrel compatibility | Wire-line core barrels of any length, triple tube or standard configurations including pump-in for horizontal to vertical downholes * |
| Volume capacity per injection | H/P: 8L (2.11gal) N: 5L (1.32gal) |
| Coating volume | H: 30m (100ft) P: 20m (65ft) N: 30m (100ft) |
*Not currently available for pump-up core barrels
Please note: This product may be subject to availability in your country. Several factors will dictate the most appropriate concentration rate. Please contact your nearest AMC representative for optimum results.
| Industry | |
|---|---|
| Region | Africa, Asia Pacific, Brazil, Europe, North America, South America |
AMC’s team of fluid and equipment engineers resolves site-specific challenges and provides advice to reduce costs and improve productivity. For more information about our products, please contact your closest AMC representative.
Click the link below to find your closest AMC Office or a local distributor.
AMC WALPLUG™ (F, M, C) is made from ground nut shells and is noncompressible, so it can be used in squeeze slurries as well as more conventional LCM applications. AMC WALPLUG™ is available in fine, medium and coarse grades.
AMC COREWELL™ is a sophisticated, multifunctional single sack system created especially for diamond coring and slim-hole drilling activities. AMC COREWELL™ provides superior core protection and side wall stabilisation. AMC COREWELL™ helps secure a native state, preserved sample allowing for more reliable core analysis data which ultimately leads to more accurate resource evaluations. AMC COREWELL™ employs physical mechanisms that entrap unconsolidated soils and cuttings to prevent dispersion.
AMC BOS FIX™ is designed specifically to be used in conjunction with the AMC BOS UNIT™ as a preventative maintenance system to minimize borehole torque and fluid losses, while also maximising borehole stabilisation, penetration rates, core recovery and overall productivity.
No siempre es posible predecir cuándo o cómo las cosas pueden complicarse dentro del pozo. El AMC BOS™ (Borehole Optimisation System / Sistema de Optimización del pozo) se anticipa a la pérdida de fluido, a la pérdida de circulación y zonas inestables, incluso en las condiciones más adversas, haciendo que las operaciones sean más fluidas y predecibles.
No siempre es posible predecir cuándo o cómo las cosas pueden complicarse dentro del pozo. El AMC BOS™ (Borehole Optimisation System / Sistema de Optimización del pozo) se anticipa a la pérdida de fluido, a la pérdida de circulación y zonas inestables, incluso en las condiciones más adversas, haciendo que las operaciones sean más fluidas y predecibles.
El sistema AMC BOS™ está compuesto por el AMC BOS UNIT™ herramienta que lubrica y reviste el pozo mientras perfora y el AMC BOS FIX™ un fluido de lubricación de relleno rápido. El AMC BOS™ es una solución proactiva que combate las pérdidas de fluidos y la inestabilidad del pozo, entregando una cantidad medida de AMC BOS FIX™ en intervalos regulares en la parte inferior de la sarta de perforación y hacia arriba del anillo. El fluido reacciona instantáneamente con los fluidos de perforación presentes en el pozo, permeando y sellando fracturas, provocando una delgada pero robusta membrana en las paredes del pozo de perforación.
A diferencia de utilizar los tradicionales métodos reactivos, el AMC BOS™ es una medida preventiva que puede mejorar significativamente la productividad de la perforación diamantina, aumentando la seguridad en la plataforma y reduciendo los costos medioambientales y operacionales.
“En todo el tiempo que llevo perforando en el proyecto, nunca he visto un producto hacer lo que el AMC BOS™ hace para mejorar la perforación y las condiciones de pérdida de circulación”
– Eric Castleberry – Supervisor de perforación en Resolution
Las inyecciones regulares de AMC BOS FIX ™ en la parte inferior de las barras de perforación y en el anillo anular sellarán continuamente fisuras y fracturas naturales, estabilizando el pozo, reduciendo incidencias y pérdidas de circulación. Tradicionalmente, los LCM (materiales pérdida de circulación) son la primera medida que se utilizaba para ayudar en la pérdida de fluídos. Dependiendo de las circunstancias, la efectividad de los LCM podía variar potencialmente comprometiendo el anillo del pozo, causando atasco de barras y resultando en una innecesaria sacada de tubería.
En casos de inestabilidad, en ocasiones era necesario instalar casing lo que implicaba tener que sacar las barras innecesariamente. Sin embargo, el AMC BOS™ crea una capa de casing continua y flexible de gran utilidad para ayudar en zonas sueltas, fragmentadas, agrietadas, cavernosas, con fracturas, con deslizamiento, de alta fricción y de fácil lavado.
La perforación a ciegas también puede ser una opción para los perforadores que experimentan productos ineficaces o necesitan alcanzar ciertos objetivos. Sin tratamiento, el ensanche en zonas inestables provocará aumento de torque, consumo de fluidos, riesgo de desgaste herramientas perforación, contaminación, colapsos, atascos de barras, riesgos de lesiones y disminución del ROP. La cementación / grouting puede tardar más de 48 hrs, puede ser muy costosa, incluidos los riesgos de seguridad (manipulación químicos, manipulación manual , peligros de deslizamiento y desplazamientos), pérdida de tiempo en el pozo e incremento en costos como camiones centrífuga y consumibles.
Con un enfoque proactivo, la utilización del AMC BOS™ representa la alternativa más efectiva y de menor riesgo operacional, sobre todo si lo comparamos con los tradicionales e inefectivos métodos para controlar la pérdida de circulación, inestabilidad del pozo y control del torque.
| Item | Descripción |
|---|---|
| Dimensiones | 63cm x 50cm x 23cm (25” x 20” x 9”) |
| Peso | N: 17kg (38lb) H/P: 25kg (55lb) |
| Dimensiones | N, N2, N3, H, H3, P, P3 |
| Compatibilidad con la barra del testigo | Cables de rescate de testigos de cualquier largo, tubo triple o de configuración estándar inclusive en pozos de perforación horizontal o vertical * |
| Capacidad de volumen por inyección | H/P: 8L (2.11gal) N: 5L (1.32gal) |
| CVolumen recubrimiento | H: 30m (100ft) P: 20m (65ft) N: 30m (100ft) |
* Actualmente no disponible para barras de testigo de bombeo
Please note: This product may be subject to availability in your country. Several factors will dictate the most appropriate concentration rate. Please contact your nearest AMC representative for optimum results.
| Industry | |
|---|---|
| Region | Africa, Asia Pacific, Brazil, Europe, North America, South America |
AMC’s team of fluid and equipment engineers resolves site-specific challenges and provides advice to reduce costs and improve productivity. For more information about our products, please contact your closest AMC representative.
Click the link below to find your closest AMC Office or a local distributor.
AMC BENTONITE PELLETS R30™ are compressed tablets made from highly swelling sodium bentonite coated with a biodegradable non-sticking film that retards the hydration time and when placed forms a flexible, non-toxic impermeable seal. AMC BENTONITE PELLETS R30™ has the advantage of achieving greater depths due to the unique coating that slows down the hydration process.
The SAND CONTENT KIT is a simple and accurate sieve analysis tool used to determine the sand content of drilling fluids.
pH PAPERS (PAPEL PH) measure the acidity or alkalinity of drilling fluids.
