Trenchless technologies, in particular the construction method of horizontal. Pdf pipeline design for installation by horizontal directional drilling. Actively engaged in horizontal directional drilling for minimum of 3 years. Horizontal directional boring, also known as horizontal directional drilling hdd for short is a method which enables the installation of underground pipes, cables, conduits, fiber optics and more, by creating the necessary path to insert the needed system. Horizontal directional drilling hdd is a basic trenchless technology that involves drilling into the earth to create a horizontal bore under the surface along a planned pathway through which pipes and conduits may pass. Our recordsetting drills are supported by an unrivaled fleet of 20 large rigs with up to 1. Horizontal directional drilling plan february 29, 2012. This work shall include all necessary services, equipment, materials, and labor for the complete and proper. Thus, horizontal drilling allows for greater production at a much smaller surface footprint. An introduction to directional drilling free download as pdf file. Scribd is the worlds largest social reading and publishing site. The components of a horizontal drilling rig used for pipeline construction are similar to those of an oil well drilling rig with the major exception being that a horizontal drilling rig is equipped with an inclined ramp as opposed to a vertical mast. Michels has successfully completed hdd crossings in all 50 states, canada.
We reached out to the hdd rig manufacturers to share with our readers their product fleet that includes compact, midsize and maxi rigs. Hdd is a trenchless technology that uses surfacelaunched equipment to drill underground horizontally and install pipes, conduits, and cables. Drilling fluid system onboard pressure, max 750 psi 51. Hdd pilot hole operations are not unlike those involved in drilling a directional oil well. They should walk the planned borepath with the tracking equipment to evaluate any potential. Horizontal directional drilling and boring 02415 4 immediately. Specialized construction for large waterways and sensitive. Years of research have resulted in one of the first design codes for horizontal directional drilling, as well as a. A comparative analysis of horizontal directional drilling. Horizontal directional drilling hdd is a construction technique whereby a tunnel is drilled under a waterway or other designated area, and a pipeline or other utility is pulled through the drilled underground tunnel. Horizontal directional drilling 4 chapter 12 horizontal directional drilling introduction the horizontal directional drilling hdd industry has experienced so much growth in the past two decades that hdd has become commonplace as a method of installation. Hdd can be applied in different soil conditions, for deep laying of different pipeline diameter and long drives. The information provided in this section comes directly from the manufacturers to give you just a. Horizontal directional drilling techniques drilling in.
The hdd equipment arrives on site aboard multiple trucks. Hdd is a trenchless excavation method that is accomplished in three phases and uses a specialized horizontal drilling rig with ancillary tools and equipment. Horizontal directional drilling can be used to install pipes under an obstruction, such as a road plate 26 c, railway or river. The aim of this article is to present a new approach in the design of hdd trajectories in twodimensional. Hdd may be used when an underground utility crosses under a roadway, river or stream, or other environmentally sensitive area. The specifications for the maxirig directional drills are attached in appendix a. The pullback continues until the reamer exits the bore path by the directional drill rig and the pipeline is in place. Hdd is used in several industries, such as utilities and telecommunications, at sites with limited space e. From 12 hdd units manufactured in 1984, about 32,5 units were manufactured and sold in 2011. He worked for grace, shursen, moore and associates gsm. The contractor shall provide adequate supports along the stringing area to protect the pipe and allow free movement of the pipeline during pullback. The trenchless technique horizontal directional drilling. Pdf horizontal directional drilling hdd was pioneered in the united states for an innovative road boring contractor who successfully completed a 183. He has authored numerous technical papers on directional drilling and underbalanced drilling.
One of them is detailed on the left and bottom of the page. Michels is regarded as the north american leader in horizontal directional drilling hdd, and we are determined to stay on top. Asce manuals and reports on engineering practice no. An essential resource for anyone working in the trenchless industry, this authoritative guide provides complete technical information on the design, permitting, construction bid documents, specifications, and construction of hdd applications. During the drilling operation, our automated drilling platform enables directional drillers to make quick, smarter decisions in realtime, helping you to stay on. Carden has taught drilling, horizontal drilling and underbalanced drilling seminars in the united states and internationally for more than 20 years. Horizontal directional drilling consists of several installation steps. Norseman directional drilling safe work practice copy.
In order to discuss the basics of a horizontal well, lets refer to the sample directional plan below. Development of a standard specification for horizontal. Directional drilling hdd, have played a critical role in executing this project by. D6x6 navigator horizontal directional drill literature. Drill pipe and downhole tools are generally interchangeable and drilling. Directional drilling dd1 iadc drilling manual evolution of directional drilling since 1900 directional drilling is the science of controlling or correcting a wellbore, along a predetermined trajectory, to one or more underground targets or locations at given horizontal dis placements hd and true vertical depths tvd from the point of origin. A maxirig directional drill will be of the similar size or likeness as an american augers dd440t, a dd660rs, or a dd1100rs to be used on the usace crossings. It is imperative that the drill locator and the drill rig operator have an understanding of the job prior to commencement of the work. This is a complete sourcebook of information on horizontal directional drilling, the installation of pipelines and utilities beneath obstacles such as water and roadways.
Directional drilling an overview sciencedirect topics. Communication is a critical ingredient of any successful horizontal directional drilling project. This sample shows a well pad that has multiple horizontal wells planned. Horizontal directional drilling guide, we have include our an nual hdd rig catalog. In practice, directional drilling is the practice of drilling nonvertical wells. Horizontal directional drilling 421 chapter 12 horizontal directional drilling introduction the horizontal directional drilling hdd industry has experienced so much growth in the past two decades that hdd has become commonplace as a method of installation. One source reported that the number of units in use increased by more than a hundred. Horizontal directional drilling hdd is defined as a steerable system for the installation of pipes, conduits, and cables in a shallow arc using a surfaced launched drilling rig. Pipeline design for installation by horizontal directional. The directional drilling rig then begins the pullback operation, rotating and pulling on the drill string as well as circulating drilling fluids. In 1995, the pipeline research committee at the american gas association published a manual titled installation of pipelines by horizontal directional drilling, an engineering design guide. Stage 4 of the horizontal directional drilling process.
An introduction to directional drilling oil well nature. Horizontal directional drilling is one of the most popular trenchless technologies. Horizontal directional drilling hdd is a construction technique whereby a tunnel is drilled under a waterway or other designated area, and a pipeline or other. Once the hdd creates a bore of suitable size which may require one or multiple passes by the drilling apparatus the. Horizontal directional drilling market size hdd industry. Horizontal directional drilling, or hdd, is an infrastructure construction process that is often deployed when installing underground utility lines such as pipelines, electric transmission lines, cable. First, a pilot bore is made with a suitablesized drilling rig. Each rig will have a spread of equipment including a field power unit, a mud system drilling fluid. A fulllength hood opens to expose the engine and hydraulics for easier maintenance and. Pdf the important of horizontal directional drilling standard. Appendix c hdd construction plan hdd contingency plan. Section includes requirements for horizontal directional drilling hdd of highdensity polyethylene hdpe pressure sewer pipe. It involves the use of a directional drilling machine, and associated attachments, to accurately drill along the chosen bore path and back ream the required pipe. Logs must be kept intact referencing all forces exerted on the pipeline during the project.
Faqs for horizontal directional drilling empire hdd. Briefly, the hdd process begins with boring a small, horizontal hole pilot hole under the crossing obstacle e. The horizontal directional drilling the horizontal directional drilling method figure 2. Comprehensive coverage of horizontal directional drilling hdd technologies and applications. Cyclic productivity for horizontal directional drilling. Horizontal directional drilling guide from tip to tail. This horizontal directional fracout contingency plan provides specific procedures and steps to contain the inadvertent releases of drilling mud fracouts for water bodies that are crossed using horizontal direction drilling hdd techniques. Get ebooks directional drilling on pdf, epub, tuebl, mobi and audiobook for free. Pdf pipeline shore approach installation by horizontal. This method also can be applied when laying gravity pipelines, but there are some features. Horizontal directional drilling system fast drops and quick shots shown with st250 modular drilling fluid system.
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