drilling rigs Articles

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Centrifuge Technology in Drilling Fluid Recycling

by KEMTRON Technologies, Inc.  (Jun. 1, 2014)

Drilling fluid additives and the water that contains them are an essential part and expense of successfully completing a horizontal directional drilling (HDD) installation, and the longer the bore and larger the product being installed, the more drilling fluids cost. Therefore, it makes economic sense to recycle drilling fluids by removing ...

Sled for In Situ Penetration Testing

by ASTM International  (Dec. 1, 1991)

In situ testing devices such as the dilatometer, the piezocone, the pressuremeter, and the field vane generally require the use of a drill rig for penetration through soils. This paper describes a multipurpose portable pushing frame built at the University of New Hampshire and designed to be used with most in situ testing probes. This rig is ...

Geodrilling International - Installation of Closed-loop Borehole Probes

by Nicholls Countryside Construction  (Mar. 1, 2012)

The installation of closed-loop borehole probes is a challenge on almost any project. With many domestic clients requiring a large meterage of borehole to be installed in a small site, Nicholls Boreholes has found that the traditional manual installation of closed-loop borehole probes is no longer a safe or acceptable option. The company has ...

Case study - drilling operations

by Dragflow North America  (Jan. 22, 2013)

Location: New Zeland Year: 2010 Working contest The pond is on a drilling rig site. The rig is used for Geo-thermal power exploration. The Problem Pumping heavy slurry: bentonite, geo-thermal minerals, drilling fluid, sand, pumice. Performance of sucker trucks where unsatisfactory. ...

Case study - drilling operations

by Dragflow S.r.l.  (Oct. 30, 2011)

Location: New Zeland Year: 2010 Working contest The pond is on a drilling rig site. The rig is used for Geo-thermal power exploration. The Problem Pumping heavy slurry: bentonite, geo-thermal minerals, drilling fluid, sand, pumice. Performance of sucker trucks where unsatisfactory. Our ...

Directional drill resale values and how to get the most for your rig

by Vermeer  (Sep. 1, 2010)

Wide resale value disparity among brands There’s a lot to consider when purchasing or leasing a horizontal directional drill — features, durability, support, training and overall value. But one area often overlooked is the potential resale value of the unit. Too often contractors will overlook the potential value of the machine after ...

Example of an Energy Calibration Report on a Standard Penetration Test (ASTM Standard D 1586–67) Drill Rig

by ASTM International  (Mar. 1, 1978)

This note provides an example of an energy calibration report on standard penetration test equipment. This calibration was designed to determine a standard hammer drop height that would produce 2100 in.·lb (237 N·m) of compression wave energy entering the drill rods as a result of the average hammer blow when using drop procedures as ordinarily ...

Modeling emissions from offshore drilling

by Trinity Consultants  (Nov. 10, 2011)

To regulate drilling activities proposed by oil and gas companies in the oil-rich Gulf of Mexico (GOM), governing agencies require the submittal and approval of certain plan documents before drilling activities can be initiated. For drilling activities in the Western GOM, these plans typically consist of one of the following: EP, or Exploration ...

Nigerian drilling platforms wastewater treatment

by Integrated Engineers Inc.  (Mar. 28, 2006)

Wastewater on a self-contained drilling platform comes from several sources. The following examples are samples obtained from the seven oil-drilling platforms off of the coast of Nigeria. The first platform had samples from the industrial laundry, kitchen, emulsified wastewater, cutting oily-water and drilling mud. The samples were treated ...

Oil Drilling Operation Wasteawater Treatment

by Integrated Engineers Inc.  (Dec. 15, 2007)

Wastewater Treatment Success Stories Oil Industry Operation Wastewater Treatment Wastewater on a self-contained drilling platform comes from several sources. The following examples are samples obtained from the ...

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