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WO2008000087A1 - Procédé de recyclage de déblais de forage pour les routes - Google Patents

Procédé de recyclage de déblais de forage pour les routes Download PDF

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Publication number
WO2008000087A1
WO2008000087A1 PCT/CA2007/001166 CA2007001166W WO2008000087A1 WO 2008000087 A1 WO2008000087 A1 WO 2008000087A1 CA 2007001166 W CA2007001166 W CA 2007001166W WO 2008000087 A1 WO2008000087 A1 WO 2008000087A1
Authority
WO
WIPO (PCT)
Prior art keywords
drill cuttings
road
hydrocarbon
asphalt
contaminated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CA2007/001166
Other languages
English (en)
Inventor
Daniel Pomerleau
Ronald Vertz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Engineered Drilling Solutions Inc
Original Assignee
Engineered Drilling Solutions Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Engineered Drilling Solutions Inc filed Critical Engineered Drilling Solutions Inc
Publication of WO2008000087A1 publication Critical patent/WO2008000087A1/fr
Priority to US12/345,268 priority Critical patent/US20090238643A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C3/00—Foundations for pavings
    • E01C3/003—Foundations for pavings characterised by material or composition used, e.g. waste or recycled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/20—Agglomeration, binding or encapsulation of solid waste
    • B09B3/25—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/08—Reclamation of contaminated soil chemically
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J195/00—Adhesives based on bituminous materials, e.g. asphalt, tar, pitch
    • C09J195/005—Aqueous compositions, e.g. emulsions
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
    • E01C7/182—Aggregate or filler materials, except those according to E01C7/26
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
    • E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
    • E01C7/265—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre with rubber or synthetic resin, e.g. with rubber aggregate, with synthetic resin binder
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/66—Substances characterised by their function in the composition
    • C08L2666/72—Fillers; Inorganic pigments; Reinforcing additives
    • C08L2666/74—Aggregates

Definitions

  • the present invention relates to a method of using oil-contaminated drill cuttings from drilling operations in roads and primarily in gravel or dirt roads to provide dust suppression or as a component of the top course of a road.
  • the invention relates to various compositions and processes in which drill cuttings are mixed with virgin aggregates, asphalt compounds and/or recycled hydrocarbons including recycled rubber from tires and recycled asphalt shingles for incorporation into a road bed to provide a structurally satisfactory road and/or dust suppression.
  • the invention thereby provides an effective use of oil-contaminated drill cuttings that would otherwise require remediation or disposal at a landfill.
  • drill cuttings In the past, the disposal of drill cuttings has been a significant issue for drill site operators. For example, in a typical drilled well in the oil industry, upwards of 100 m 3 of drill cuttings may be produced from a single well.
  • Typical drill cuttings will contain a variety of contaminants including hydrocarbons, salts, metals, soaps and other agents that have been added to the drilling fluid to assist in the drilling and hydrocarbon recovery processes or that have become mixed with the drilling fluid from the formation.
  • hydrocarbons, salts, metals, soaps and other agents that have been added to the drilling fluid to assist in the drilling and hydrocarbon recovery processes or that have become mixed with the drilling fluid from the formation.
  • recovered and dried drill cuttings will typically include approximately 15 % (w/w) hydrocarbon contaminants that may range in viscosity from highly viscous bitumens through to less viscous lighter fractions as well as numerous metals and metal salts. Hydrocarbon contaminants may in some drilling situations be as high as 40% (w/w).
  • both on-site and off-site disposal will often lead to environmental contamination as the various contaminants within the drill cuttings may ultimately leach into the local soil or groundwater, particularly for example as the stabilizing sawdust decomposes.
  • both techniques are expensive in terms of handling.
  • sawdust as an agent to stabilize drill cuttings substantially increases the volume of the drill cuttings as in order to stabilize drill cuttings prior to transportation, it is necessary to mix the drill cuttings with approximately a double volume of sawdust, thus tripling the volume of disposal material.
  • sawdust for disposal is not an effective or high-value use of sawdust and that may also contribute to the unnecessary consumption of trees.
  • landfills are also not a desired long term solution. With increasing difficulty in licensing new landfills, there is greater pressure to utilize existing landfills as efficiently as possible and to extend the life of these facilities.
  • drill cuttings are disposed of in a manner that meets environmental regulations and that does not increase the overall cost of disposing of such drilling cuttings. More specifically, there has been a need for a disposal method in which drill cuttings provide a useful product wherein the contaminants may be encapsulated or incorporated with other products such that the likelihood of such contaminants leaching to the environment is reduced while also providing useful and beneficial properties to the road.
  • the use of oil based drilling fluid cuttings in road structures can provide a low cost alternative to traditional disposal methods while providing an effective road structure that does not cause contaminants to leach into the ground at undesirable levels.
  • a method of disposal of hydrocarbon- contaminated drill cuttings in a road comprising the steps of: mixing hydrocarbon-contaminated drill cuttings with virgin aggregates and asphalt binder to form a blended mixture; and incorporating the blended mixture into the road.
  • the degree of hydrocarbon contamination of the drill cuttings is less than 40 % (w/w) (hydrocarbon/drill cuttings).
  • the blended mixture may be incorporated as the base and/or top course of a road.
  • the blended mixture of hydrocarbon-contaminated drill cuttings to virgin aggregate is 5-25% (w/w).
  • the hydrocarbon-contaminated drill cuttings are pre-mixed with an elastomeric material to stabilize the drill cuttings prior to mixing with virgin aggregate.
  • the elastomeric material is preferably 1-25% (w/w) of the mass of the drill cuttings and more preferably 5-10% (w/w) of the mass of the drill cuttings.
  • the asphalt binder is preferably selected from a hot mix, anionic cold mix, cationic cold mix, non-ionic cold mix or asphalt emulsion binder.
  • the invention provides a method of stabilizing oil contaminated drill cuttings or earthen material comprising the step of blending 1-25% (w/w) (more preferably 5-10% (w/w)) rubber crumb or asphalt material with the drill cuttings or earthen material.
  • Figure 1 is bar graph showing the total level of C10-C40+ Ieachate for a number of road mix samples.
  • a typical road construction includes a sub-grade of supporting native rock, soil, sand, clay or other material onto which a base course generally comprising a depth of crushed gravel or aggregate is placed and compacted.
  • the aggregate will usually range in depth from 12 inches to several feet depending on the engineering requirements of the road.
  • Roads may be sealed or unsealed. In an unsealed road the aggregate may include various binders or additives that provide dust suppression.
  • Asphalt is a complex mixture of hydrocarbons primarily comprised of bitumen which in itself is generally comprised of asphaltenes as the dispersed phase and maltenes as the continuous phase.
  • asphaltenes as the dispersed phase
  • maltenes as the continuous phase.
  • the classes of asphalt binders generally used in road construction include asphalt cements, cutback asphalts and asphalt emulsions as known to those skilled in the art.
  • drill cuttings are incorporated into a road bed either as part of the base course or surface course in conjunction with appropriate quantities of virgin aggregates, binder and/or an elastomeric material.
  • the use of drill cuttings as described herein is particularly effective in dust suppression for gravel roads and within a top course of a road.
  • the invention provides an effective means of stabilizing drill cuttings for transportation.
  • drill cuttings may include hydrocarbon contaminants or diluents, various metals, salts, soaps and other contaminants coated upon the native rock chips removed from the drilled well.
  • the drill cuttings are blended with virgin aggregate to 5-25 % (w/w) and asphalt binder for use as the base course of a road bed with or without a surface course.
  • the blended drill cuttings and aggregate may be applied to the road bed in the usual manner with graders and compaction vehicles.
  • the blended drill cuttings, aggregate and binder provide effective dust suppression when used in an unsealed road.
  • drill cuttings are blended with virgin aggregate to 5-25 % (w/w) and blended with an asphalt binder such that the asphalt binder is 4-8 % (w/w) of the total mass of the resulting asphalt concrete.
  • the blending of drill cuttings with virgin aggregate may be achieved through use of appropriate mixing equipment including reclaimers either at the road construction site, aggregate quarry or an asphalt plant.
  • the actual proportions of drill cuttings relative to virgin aggregate are determined through assessment of the relative amounts of and properties of the contaminants. Generally, more viscous hydrocarbon contaminants can be incorporated at a higher weight % whereas less viscous more volatile hydrocarbon contaminants are incorporated at a lower weight %. Contaminants other than hydrocarbons are encapsulated within the structure by the asphalt binder.
  • the drill cuttings (or a similar material such as soil, sand or other earthen material) are blended with elastomeric materials as a means to stabilize the drill cuttings for transportation and to absorb excess free oil that may be contained within the drill cuttings.
  • elastomeric materials would include recycled hydrocarbon materials such as recycled rubber from tires and/or recycled asphalt shingles. These materials may be mixed with the drill cuttings at an appropriate proportion (0-25% (w/w), preferably 5-10% (w/w) to reduce the free oil content within the drill cuttings and thereby impart further binding properties to the aggregate and/or asphalt binder.
  • Leachate tests were performed to quantify and compare the leaching of various contaminants including hydrocarbons and metals from blends of rubber crumb and drill cuttings, sawdust and drill cuttings, "road mixes” containing drill cutting materials and virgin aggregates and standard “road mixes” using virgin aggregates alone together with various commonly used binders known to those skilled in the art.
  • the leachate tests were conducted using known leachate testing protocols including hot water soluble boron, Toxicity Characteristic Leaching Procedure (TCLP), strong acid digestion, mono-aromatic hydrocarbons and volatile petroleum hydrocarbons testing protocols.
  • TCLP Toxicity Characteristic Leaching Procedure
  • TCLP analysis performed in accordance with TCLP, SW-846, EPA 131 1 confirmed that each of antimony, arsenic, barium, beryllium, boron, cadmium, chromium, cobalt, copper, iron, lead, mercury, nickel, selenium, silver, thallium, uranium, vanadium, zinc and zirconium were within TCLP limits for all samples.
  • Metals strong acid digestion test performed in accordance with US EPA test 3050B confirmed acceptable EPA levels for each of mercury, antimony, arsenic, barium, beryllium, cadmium, chromium, cobalt, copper, lead, molybdenum, nickel, selenium, silver, thallium, tin, vanadium and zinc for all samples.
  • a series of "road mixes” including aggregates and binders were prepared and tested for BETX leachate as summarized in Table 2.
  • samples 1-3 and 5 476.7 g of virgin aggregate was blended with 23.8 g of binder.
  • 10% of the total weight of aggregate was drill cuttings.
  • Samples 1-3 utilized standard road oils typically used in dust suppressant blends as known to those skilled in the art.
  • Sample 4 utilized a cationic cold mix asphalt-based emulsion and Sample 5 used a hot mix asphalt known to those skilled in the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Processing Of Solid Wastes (AREA)
  • Road Paving Structures (AREA)
  • Drilling Tools (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne un procédé d'utilisation de déblais de forage contaminés par de l'huile provenant d'opérations de forage, pour les routes et principalement les routes en graviers ou les pistes forestières, en vue d'éliminer la poussière ou en tant que composant du revêtement de surface routier. Plus particulièrement, l'invention concerne différentes compositions et différents processus dans lesquels des déblais de forage sont mélangés avec des agrégats vierges, des composés d'asphalte et/ou des hydrocarbures recyclés comprenant du caoutchouc recyclé à partir de pneus et des pierres d'asphalte recyclées pour être incorporées dans une plate-forme afin de disposer d'une route structurellement satisfaisante et/ou pour éliminer la poussière. L'invention permet ainsi une utilisation efficace des déblais de forage contaminés par de l'huile qui exigeraient autrement un traitement curatif ou le déversement dans une décharge.
PCT/CA2007/001166 2006-06-29 2007-06-29 Procédé de recyclage de déblais de forage pour les routes Ceased WO2008000087A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/345,268 US20090238643A1 (en) 2006-06-29 2008-12-29 Method Of Disposing Of Drill Cuttings In Roads

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US80612406P 2006-06-29 2006-06-29
US60/806,124 2006-06-29
US82570706P 2006-09-14 2006-09-14
US60/825,707 2006-09-14

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/345,268 Continuation US20090238643A1 (en) 2006-06-29 2008-12-29 Method Of Disposing Of Drill Cuttings In Roads

Publications (1)

Publication Number Publication Date
WO2008000087A1 true WO2008000087A1 (fr) 2008-01-03

Family

ID=38110582

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2007/001166 Ceased WO2008000087A1 (fr) 2006-06-29 2007-06-29 Procédé de recyclage de déblais de forage pour les routes

Country Status (3)

Country Link
US (1) US20090238643A1 (fr)
CA (1) CA2578318C (fr)
WO (1) WO2008000087A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013106578A1 (fr) * 2012-01-10 2013-07-18 Pronghorn Environmental Technologies LLC Compositions de matériau de construction des chaussées, systèmes d'utilisation et procédés de fabrication associés
GB2503456A (en) * 2012-06-25 2014-01-01 Kracken Ltd A method of processing contaminated geological material
US8945443B2 (en) 2011-06-15 2015-02-03 Total Waste Management Alliance Limited Process for utilising waste drill cuttings in plastics
US10472280B1 (en) 2014-05-21 2019-11-12 D-Trace Investments, Llc Drill cuttings with a drying agent
US11097140B2 (en) 2014-06-06 2021-08-24 Boldwater Usa, Lp Processes for remediation of a contaminated material

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2669487A1 (fr) * 2006-11-17 2008-05-22 Engineered Drilling Solutions Inc. Procedes d'utilisation de caoutchouc recycle
WO2011088260A2 (fr) * 2010-01-15 2011-07-21 Lbi, Llc Produit absorbant organique et méthode
US20120245401A1 (en) * 2011-03-22 2012-09-27 BioMaxx, Inc. Processing mine tailings
BR102012019092B8 (pt) 2012-06-26 2023-01-17 Manancial Projetos E Consultoria Ambiental Ltda Processo de recuperação ambiental de áreas de mineração extintas ou exauridas
RU2524708C1 (ru) * 2013-02-19 2014-08-10 Юрий Яковлевич Эль Способ переработки бурового шлама
US10161204B2 (en) 2014-10-31 2018-12-25 Canadian Energy Services L.P. Treatment of heavy oil cuttings for disposal
US10315867B2 (en) 2015-01-27 2019-06-11 Halliburton Energy Services, Inc. Using biodegradable oils for controlling dust from additive particles
MX2017014063A (es) * 2015-05-12 2018-04-10 Racional Energy & Env Company Materiales de carretera basados en cortes de perforacion.

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US3338849A (en) * 1964-08-14 1967-08-29 Us Rubber Reclaiming Co Incorporation of reclaimed rubber into asphalt
US4075853A (en) * 1976-09-29 1978-02-28 The International Synthetic Rubber Company, Ltd. Soil injection machine
US4793729A (en) * 1985-09-16 1988-12-27 Bosich Joseph F Process of making material for and constructing a road
US6322489B1 (en) * 1999-01-19 2001-11-27 M-I Llc Drill cuttings solidification for wetlands restoration
US20030116887A1 (en) * 2001-08-10 2003-06-26 Scott J. Blake Incorporation of drilling cuttings into stable load-bearing structures
US6706108B2 (en) * 2001-06-19 2004-03-16 David L. Polston Method for making a road base material using treated oil and gas waste material
JP2005314710A (ja) * 2005-07-28 2005-11-10 Cosmo Research Inst 舗装用改質アスファルト組成物

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US3422053A (en) * 1964-10-05 1969-01-14 Neville Chemical Co Paving compositions
US3567660A (en) * 1970-02-02 1971-03-02 Joseph Winkler Method of conversion of oil-spills into improved,rubberized carbon-black and fiber fortified asphaltic materials
US5173115A (en) * 1990-03-20 1992-12-22 American Reclamation Corporation Asphaltic concrete product and a method for the fixation of contaminated soils in the asphaltic concrete
US5242493A (en) * 1990-03-20 1993-09-07 American Reclamation Corporation Asphaltic concrete product for the fixation of contaminated soils
DE69607646D1 (en) * 1995-12-12 2000-05-11 Rubber Resources L L C Additiv auf gummibasis für asphaltemulsion
US6102617A (en) * 1998-01-13 2000-08-15 Vivian A. Hampton Impoundment leak detection, location, and containment system and method with mobile sensor
CA2386046C (fr) * 2001-05-11 2009-12-08 Invifuel Ltd. Transformation des dechets de forage
US6752273B2 (en) * 2002-01-24 2004-06-22 Baker Hughes Incorporated Cuttings disposal method
US7597754B2 (en) * 2005-06-21 2009-10-06 Andrew L. Argenio Asphaltic compositions and methods of their manufacture
US8276666B2 (en) * 2007-08-08 2012-10-02 Halliburton Energy Services Inc. Sealant compositions and methods of use

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338849A (en) * 1964-08-14 1967-08-29 Us Rubber Reclaiming Co Incorporation of reclaimed rubber into asphalt
US4075853A (en) * 1976-09-29 1978-02-28 The International Synthetic Rubber Company, Ltd. Soil injection machine
US4793729A (en) * 1985-09-16 1988-12-27 Bosich Joseph F Process of making material for and constructing a road
US6322489B1 (en) * 1999-01-19 2001-11-27 M-I Llc Drill cuttings solidification for wetlands restoration
US6706108B2 (en) * 2001-06-19 2004-03-16 David L. Polston Method for making a road base material using treated oil and gas waste material
US20030116887A1 (en) * 2001-08-10 2003-06-26 Scott J. Blake Incorporation of drilling cuttings into stable load-bearing structures
JP2005314710A (ja) * 2005-07-28 2005-11-10 Cosmo Research Inst 舗装用改質アスファルト組成物

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8945443B2 (en) 2011-06-15 2015-02-03 Total Waste Management Alliance Limited Process for utilising waste drill cuttings in plastics
WO2013106578A1 (fr) * 2012-01-10 2013-07-18 Pronghorn Environmental Technologies LLC Compositions de matériau de construction des chaussées, systèmes d'utilisation et procédés de fabrication associés
GB2503456A (en) * 2012-06-25 2014-01-01 Kracken Ltd A method of processing contaminated geological material
US10472280B1 (en) 2014-05-21 2019-11-12 D-Trace Investments, Llc Drill cuttings with a drying agent
US11667568B1 (en) 2014-05-21 2023-06-06 D-Trace Investments, Llc Drill cuttings with a drying agent
US11097140B2 (en) 2014-06-06 2021-08-24 Boldwater Usa, Lp Processes for remediation of a contaminated material
US11724143B2 (en) 2014-06-06 2023-08-15 Boldwater Usa, Lp Processes for remediation of a contaminated material

Also Published As

Publication number Publication date
CA2578318C (fr) 2009-05-26
US20090238643A1 (en) 2009-09-24
CA2578318A1 (fr) 2007-05-30

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