Classifications

• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
  • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
  • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
  • E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
  • E21B43/2401—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection by means of electricity
• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
  • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
  • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
  • E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
  • E21B43/2406—Steam assisted gravity drainage [SAGD]
  • E21B43/2408—SAGD in combination with other methods
• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
  • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
  • E21B43/30—Specific pattern of wells, e.g. optimising the spacing of wells
  • E21B43/305—Specific pattern of wells, e.g. optimising the spacing of wells comprising at least one inclined or horizontal well

Definitions

• the invention relates to a process for the in-situ mixing of a hydrocarbon-containing substance while reducing its viscosity from an underground deposit.
• the invention relates to an associated system with at least one device having at least one projecting into the deposit injection pipe and at least one Radiobowende from the deposit production pipeline.
• the injection pipeline and the production pipeline each have an initial region which extends partly above ground and an active region which extends adjacent to the initial region and extends within the deposit.
• the injection pipe and the production pipeline can be acted upon with superheated steam.
• the injection pipe can be acted upon with superheated steam.
• Olsanden large parts of the world's oil reserves are in the form of so-called Olsanden.
• Oil sand is typically a mixture of clay, sand, water and bitumen ⁇ men.
• the bitumen can be converted by further process steps into synthetic crude oil.
• Olsandlagerstatten are currently exploited preferably in the open pit.
• Olsand deposits located in deeper layers of the earth are
• pipelines are typically first laid inside the deposit.
• two tubes arranged essentially parallel to one another and horizontally extending are arranged within the deposit.
• Such pipes typically have a spacing of 5 to 10 m in the vertical direction to each other, and have a length between 500 and 1000 m.
• the deposit must first be heated to reduce the viscosity of the bitumen present in the oil sand, and then be able to claim it in liquefied form.
• hot steam is typically applied to both tubes running within the deposit. After the end of the approximately 3-month heating phase, only the geodä ⁇ table higher pipe is acted upon in the subsequent production phase with superheated steam.
• the superheated steam injected into this pipe leads, on the one hand, to further liquefaction of the bitumen present in the deposit and, on the other hand, to overpressure in the deposit. Driven by this overpressure, liquefied bitumen can now be forced through the second pipeline to the earth's surface.
• the currently practiced SAGD method has various technical problems. On the one hand into the region of the deposit existing channels or caused to escape through more geo- gic conditions within the deposit, crizspielswei ⁇ se porous rock strata, hot steam from the actual area of the deposit. The hot steam escaping in this way is lost for the bitumen requirement. Furthermore, the amount of heat which can be introduced by means of hot steam into the bearing Statte, be limited ⁇ for the following reasons. The amount of heat which can be introduced into the deposit is decisively determined by the maximum permissible pressure with which superheated steam can be pressed into the deposit. Typically, oil sand deposits are not at very great depths, so that excessive surface pressure buildup can cause surface earth faults.
• the service life of an oil sands deposit which is exploited using two tubes with the typical dimensions mentioned above, is typically in the range between 3 and 10 years. Over this time, the deposit is heated continuously with superheated steam. Due to the thermal conductivity of the soil, the heat introduced into the deposit reaches, over time, more and more distances from where superheated steam is introduced into the deposit.
• the catchment area of the production pipe via which liquefied bitumen is transported to the surface is spatially limited. Warmth, which reaches beyond the boundaries of the catchment area of the production pipe, is lost for the production of bitumen. This phenomenon not only leads to a deterioration in the "steam to oil ratio" but also to a poor overall energy balance of the deposit concerned.
• the object of the present invention is to provide a process for the requirement of hydrocarbon-containing substances from an underground deposit, which is improved with respect to the solutions known in the prior art.
• the total be improved for the demand of the hydrocarbon-containing substance and the occurring defects ⁇ trend in calling this substance "steam to oil ratio" giebilanz.
• the invention is based on the idea of equipping the injection pipeline with induction heating in order to introduce additional heat into the deposit.
• an injection pipeline is to be understood as meaning a pipeline extending at least partially within a deposit, which chiefly serves to heat the deposit by means of superheated steam or other measures.
• Under a production pipeline is at least partially running within the deposit pipe to be understood, which serves both to heat the deposit as well as for the demand of hydrocarbon-containing substances from the deposit to the earth's surface.
• a plant or device is
• An installation with a device according to the invention for the in situ recovery of a hydrocarbon-containing substance makes it possible to use the injection pipe designed as an induction heater to heat the deposit not only with superheated steam but also inductively. In this way, a faster heating of the deposit can be achieved ⁇ .
• a faster heating of the deposit leads to a higher production of hydrocarbonaceous substance from the deposit and at the same time improves the steam to oil ratio, in addition to superheated steam and electrical energy for heating the deposit reduction of heat losses due to heat conduction within the deposit. the amount of heat energy that comes into areas except ⁇ half of the catchment area of the production pipeline can be reduced in this way.
• both the flow into the Inj edictionsrohrlei- processing steam and the induction heater lead therefore to heating of the deposit in very similar Be ⁇ rich.
• the deposit can be heated particularly quickly in this overlapping area. This especially rapid heating leads to an energetically effective production, a high production volume and a low SOR.
• further inductors for heating edge regions may be present.
• the device for claiming hydrocarbon-containing substances according to the invention may additionally have the following features:
• the injection piping may additionally have a terminal area adjoining the active area and extending partially above ground.
• the above-ground portions of the beginning and end portions of the injection pipe may be electrically connected to a power source. If the starting and ending areas of an injection pipeline are above ground, they can be contacted particularly easily electrically.
• the injection conduit may have an end region extending within the deposit, adjacent to the active area.
• the end portion of the injection tubing may be electrically connected to an electrical conductor brought into proximity to the end portion of the injection tubing by an auxiliary bore, by means of a reservoir of saline fluid. By bringing a reservoir of saline fluid into contact with the end portion of the injection tubing and an electrical conductor located near this end portion, a particularly simple electrical contacting of the end portion of the injection tubing can be indicated.
• the active area of the injection pipeline can be nearly horizontal in the storage area describe a closed circle.
• the active area may be adjoined by a partly aboveground end area.
• the above-ground portions of the start and end portions of the injection tubing may be electrically contacted with a power source.
• a large area of the deposit can be inductively heated by an injection pipe which extends along a nearly closed circle within the deposit. At the same time, in such an injection pipe, the initial and end portions of the injection pipe are above ground, so that they are easy to contact.
• a plant according to the invention for the in-situ recovery of a hydrocarbon-containing substance with reduction of its viscosity from an underground deposit can
• a device can be provided with which a large area of a deposit can be heated by a single system.
• a single power supply may be suffi ⁇ accordingly etechnischsrohrtechnischen a plurality of Inj and thus to warm a large area of a bearing Statte inductive.
• the injection pipe can be acted upon during the production phase with special superheated steam whose liquid phase has an increased electrical conductivity compared to water.
• special superheated steam whose liquid phase has an increased electrical conductivity compared to water.
• the electrical conductivity of the deposit can be increased.
• This increase in conductivity leads to larger eddy current losses in the parts in question the depository.
• superheated steam of a saline liquid may be used for this purpose.
• a system according to the preceding embodiment further comprises a self-regulating mechanism. Those areas of the deposit, which are increased by injecting the special superheated steam in their e- lectric conductivity, are heated inductively strong.
• the induction heating can be operated at a frequency of 5 kHz to 100 kHz, preferably at a frequency of 10 kHz to 100 kHz.
• Commercially available converters can be used to operate an induction heater at a frequency of 5 kHz or 10 kHz to 100 kHz.
• the use of standard components results in a cost advantage for a device designed in this way.
• the active areas of the injection tubing and the production tubing may form part of a resistance heater with respect to a portion of the deposit located substantially between the injection tubing and the production tubing. According to the embodiment described above, the power loss of the resistance heater m essential in a range between the Inj etechnischsrohrlei- and the production pipeline
• the resistance heating can be operated with alternating current, preferably with alternating current of a frequency of 50 to 60 Hz.
• alternating current preferably with alternating current of a frequency of 50 to 60 Hz.
• commercial components can be used to realize the resistance heating. In this way, there is a cost advantage.
• the claimed method is based on the consideration during a heating phase, which precedes the time of production phase, a first part of
• the process for the in situ recovery of a hydrocarbonaceous substance, while reducing its viscosity comprises a heating phase and a production phase which follows the heating phase in time.
• the heating phase the injection pipe and the production pipe are to be supplied with superheated steam.
• the production phase only the injection pipeline should be supplied with superheated steam.
• the environment of the active area of the injection pipeline should be heated by means of induction heating.
• a heating phase essentially refers to the period of time during which the deposit is heated to reduce the viscosity of the hydrocarbon-containing substance to be obtained from the deposit.
• a production phase is essentially to be understood that time interval, while the already reduced in viscosity hydrocarbonaceous Sub ⁇ substance is required by means of the production pipeline from the underground storage Statte.
• the Erflndungsge64e method has the following advantages:
• This additional thermal energy added to the storage facility leads to a reduction of the SOR ("S_Team to Oil Ratio"), continues to increase production and leads to lower heat losses due to heat conduction within the storage facility.
• the process according to the invention may also have the following features:
• the active area of the injection tubing and the production tubing may be part of a resistance heater. Furthermore, during the heating phase, the environment of the active areas of the injection pipeline and the production pipeline can be heated with the resistance heating.
• a first part of the deposit can be heated not only by means of superheated steam, but additionally by means of resistance heating.
• the additionally heated area of the storage facility is essentially located between the injection pipeline and the production pipeline. By means of the resistance heating additional thermal energy can be introduced in this area. In this way, the area in question can be heated very quickly. This rapid heating leads to rapid liquefaction of carbonaceous substance present in the deposit so that it can be rapidly demanded.
• FIG. 1 shows a plant for requesting a hydrocarbon-containing substance from an underground
• FIG. 2 shows a cross section through the exploitation area of a deposit
• FIG. 3, 4 shows the plant for requesting a hydrocarbon-containing substance from an underground deposit during the heating phase or during the production phase
• FIG. 3 shows the plant for requesting a hydrocarbon-containing substance from an underground deposit during the heating phase or during the production phase
• FIGS. 5, 6 show the system for requesting a hydrocarbon-containing substance from an underground deposit, wherein the injection pipeline is designed as an induction heater,
• FIGS. 7, 8 show the system for requesting a hydrocarbon-containing substance from an underground storage facility, wherein the storage facility can be heated over a large area
• FIGS. 9, 10 show the system for requesting a hydrocarbon-containing substance from an underground deposit, wherein the injection and production pipelines are part of a resistance heater,
• FIG. 11 shows a power loss distribution of an induction heater
• FIG. 12 shows a loss power distribution of a resistance heater
• FIG. 13 shows a section perpendicular to the corrugated pipe made of injection pipe and conveyor pipe from FIG. 1.
• corresponding parts are provided with the same reference numerals ⁇ . Unexplored parts are well known in the art.
• FIG. 1 shows, schematically illustrated, a plant 100 for the in-situ recovery of a hydrocarbon-containing substance with reduction of its viscosity from an underground deposit.
• a device may be, for example, an apparatus for recovering bitumen from an Olsand deposit.
• Such devices are known, for example, from "Steam-Injection Strategy and Energy of Steam-Assisted Gravity Drainage” by ID Gates, 2005, SPE International Thermal Operations and Heavy Oil Symposium, Calgary, Canada, November 1-3, 2005
• Such device 100 has an injection pipeline 101 and a production pipeline 102.
• depository 103 may be adjacent to an oil sands deposit as well as an oilfield deposit or other subsurface deposits from which oleic, heavy or generally hydrocarbonaceous substances may be recovered.
• bitumen In order to be able to recover bitumen from a deposit 103, it is typically heated by means of superheated steam, which is injected into the injection pipeline 101.
• the thermal energy introduced into the deposit 103 in this way leads to a reduction in the viscosity of the bitumen dissolved in the deposit 103.
• Said bitumen is required due to the pressure prevailing within the storage 103 overpressure through the production pipeline 102 to the earth's surface. At the surface of the earth, the bitumen is supplied to further treatment stages, so that so-called synthetic crude oil can be obtained.
• Figure 2 shows a cross section through a deposit, for example, a Olsandlagerstatte 103, and extending within the storage 103 injection pipe 101 and production line 102.
• the injected into the Inj etechnischsrohrtechnisch 101 hot steam leads to heating of a portion 201 of the deposit 103.
• the cross section of the deposit 103rd widens upwards and has a flat or slightly curved conclusion. Within this heated area 201 rises, indicated by arrows 202, superheated steam in the deposit 103.
• the thermal energy introduced in this way into the deposit 103 or the region 201 to be heated leads to a liquefaction of the bitumen present in the deposit. Due to gravity, liquefied bitumen flows in the direction of the production pipeline 102.
• Flow direction of the liquefied bitumen should be indicated by arrows 203.
• FIG. 3 shows the part of a device 100 for requesting bitumen from a deposit, for example an oil sand deposit 103, during a heating phase.
• a deposit for example an oil sand deposit 103
• both the injection pipe 101 and the production pipe 102 are charged with superheated steam.
• the deposit 103 is heated so that the viscosity of the bitumen present in the deposit 103 is reduced.
• FIG. 4 shows a device for requesting bitumen from a deposit 103 during a production phase.
• the production phase only the injection pipe 101 is charged with superheated steam.
• the deposit 103 is further heated in this way.
• an overpressure is built up in the soil, in particular in the deposit 103. Due to the overpressure present in the deposit 103, liquefied bitumen is required via the production pipeline 102 to the earth's surface.
• the bitumen required for the earth's surface can be fed to further processing steps.
• FIG. 5 shows a device 100 for requesting a hydrocarbon-containing substance, for example bitumen, from a deposit 103, for example an oil sand deposit, according to an exemplary embodiment.
• a hydrocarbon-containing substance for example bitumen
• a deposit 103 for example an oil sand deposit
• the device 100 has an injection pipeline 101 projecting into the deposit 103 and a production pipeline 102 leading out of the deposit 103. Both the injection pipeline 101 and the production pipeline 102 have an initial region 501, 502 extending partly above ground. The starting region 501, 502 is adjoined in each case by the active region 503 of the injection pipeline 101 or the active region 504 of the production pipeline 102.
• the Inj etechnischsrohrtechnisch 101 may further comprise to have on their active area 503 subsequent ⁇ sequent end section 505, which also proceeds partially above ground.
• the start region 501 and the end region 505 of the injection pipeline 101 are connected to a power source 506 at its portions extending above it.
• the power source 506 may preferably be an AC power source having a frequency between 10 kHz and 100 kHz.
• the induction heater may be formed by parts of the injection pipeline. Preferably, only the active region 503 of the injection pipeline 101 is designed as induction heating. As the electrically conductive part of the induction heating, the material of the injection pipe 101 or the material of the active part 503 of the injection pipe 101 itself can be used.
• the induction heating can furthermore be configured in such a way that the start and end regions 501, 505 of the injection tube line 101 is thermally insulated from the surrounding earth region or the deposit 103, so that targeted uniquely ⁇ Lich in a non-thermally insulated area, such as the active area 503 of the injection pipe 101 inductively heat energy can be introduced into the deposit 103.
• the injection pipe 101 may further be charged with superheated steam.
• FIG. 6 shows another device for requesting bitumen from an oil sand deposit 103 according to a further exemplary embodiment.
• the injection pipeline 101 is electrically contacted at its end region 505 ', which in this case is located inside the deposit 103, with a reservoir 601 made from a salt-containing liquid.
• the reservoir 601 of a saline liquid or another good conductive liquid can be brought via an auxiliary bore 602 in the vicinity of the end portion 505 'of the injection pipeline 101.
• an electrical conductor 603 can furthermore be introduced into the reservoir 601.
• This conductor 603 and the top portion 501 of the injection etechnischsrohrtechnisch are elec trically ⁇ connected to a power source 506 one hundred and first
• the contacting of the end region 505 'of the injection pipeline 101 can furthermore be produced, for example, by means of a gripper or other suitable measures. Such a gripper may be attached to the end of the conductor 603.
• Figure 7 shows in plan view an apparatus 100 for exposure of bitumen from a Olsandlagerstatte 103.
• the active region 503 of the injection pipe 101 describes an almost complete circle.
• the active area 503 of the injection pipeline 101 runs in a plane within the deposit 103, preferably when the deposit 103 extends further in the horizontal direction than in the vertical direction, in a nearly circular, horizontally lying arc.
• the initial Rich 501 and the end portion 505 of the Inj etechnischsrohrtechnisch 101 may be at least partially above the earth's surface.
• the above-ground portions of the starting region 501 and the end region 505 may be contacted with an electrical power source 506.
• a large area of the deposit 103 can be heated inductively or by means of superheated steam.
• the production tubing is not shown in Figure 7 may be located below in the same way a few meters, so geodesy ⁇ table lower than the injection pipeline 101 also extend in an almost circular shape within the deposit 103rd
• FIG. 8 shows in plan view a device 800 which has a multiplicity of injection pipes 801 to 804.
• a device 800 which has a multiplicity of injection pipes 801 to 804.
• one end region 505 of a first injection pipeline 801 is connected to an initial region 501 of a second injection pipeline 802.
• This electrical connection 805 may preferably take place at the above-ground parts of the initial regions 501 or end regions 505 of the injection pipelines 101.
• the end region 505 of the second injection pipeline 802 can in turn be connected via an electrical connection 805 to the starting region 501 of a third injection pipeline 803.
• any numbers of injection pipes can be electrically connected to one another, so that a deposit 103 can be heated by a large-area inductively.
• the initial portion 501 of a first induction pipe 801 and the end portion 505 of a further example of the fourth injection ⁇ pipe 804 may in turn be electrically connected to a power source 506th
• the supply lines 806 between the current source 506 and the starting 501 or end regions 505 of the injection conduits 801, 804 to be contacted in each case can be kept as short as possible.
• FIGS. 9 and 10 show further devices 100 for charging bitumen from an oil sand deposit 103 according to further exemplary embodiments.
• At least the active region 503 of the injection pipeline 101 and the active region 504 of the production pipeline 102 can be designed as resistance heating.
• the Inj edictionsrohr admir 101 and Pro ⁇ dumiesrohr admir 102 may be electrically connected to a power source 506th
• the electrically conductive part of the resistance heating can be formed by the material of the injection pipeline 101 or the production pipeline 102 at least but by the material of the respective active parts 503 and 504 of the pipes 101, 102 themselves.
• the electric current applied to the injection pipeline 101 and the production pipeline 102 flows over a region 901 of the deposit 103, which is located substantially between the injection pipeline 101 and the production pipeline 102. Consequently, in this area 901 of the deposit 103, a large part of the power loss of the resistance heating is applied. Consequently, this area 901 of the deposit 103 is particularly heated.
• the injection pipe 101 and / or the production tubing ⁇ conduit 102 can at least partially an electric-regulation iso- have 1,001th
• the electrical insulation may be applied in particular in areas of the injection pipeline 101 and / or the production pipeline 102, which run outside of the deposit 103.
• the resistance heating can be operated in particular with alternating current, preferably with alternating current of a frequency between 50 and 60 Hz.
• the power source 506 may be constructed using standard components when using alternating current at a frequency between 50 and 60 Hz, which is substantially the same as the mains frequency.
• the erfmdungsgespecializeden method can further comprise a device 100, 800, in particular a device as in one of the figures 5 to 10, are operated such that during a production phase, which temporally follows a heating phase, the injection pipe is not only only supplied with superheated steam, but additionally the environment of the injection pipe 101 is heated by means of induction heating ,
• at least the active region 503 of the injection pipeline 101 can act as an induction heater. With the induction heating, the area of the storage area surrounding the injection pipeline 101 can be heated.
• FIG. 2 shows a cross-section through a region 201 of a deposit 103, which is heated by means of superheated steam emanating from the injection pipeline 101.
• FIG. 11 shows, in cross-section, the injection pipeline 101 and the production pipeline 102.
• FIG. 11 also shows, in a schematic representation, a distribution 1101 of the power loss within the deposit 103, when the injection pipeline 101 or its active area 503 is operated as induction heating .
• Extensive simulation calculations show that the loss power distribution 1101 provides a substantial contribution in a region of the deposit 103 which lies substantially above (geodetically higher) the injection pipeline 101.
• the power dissipation distribution 1101 and that of FIG. 2 In comparison with the area shown in FIG. 2, which is preferably heated by superheated steam emanating from the injection pipeline 101, it is to be noted that the power dissipation distribution 1101 and that of FIG. 2
• Hot steam heated area 201 clearly overlap.
• the area heated by superheated steam 201 can also be found in FIG. 11.
• the bearing ⁇ state 103 is heated more than in other areas. This warming leads to a higher production of hydrocarbons. containing substance, such as bitumen from the mining area in question. Furthermore, too much heat dissipation in a region outside the catchment area of the production pipeline 102 can be avoided by the faster heating.
• a method for recovering hydrocarbon-containing substance, for example bitumen from a deposit 103 is indicated, whereby the active areas 503, 504 of the injection pipeline 101 or production pipeline 102 are designed as resistance heating, and during the heating phase the environment at least active areas of the injection pipeline 101 or production pipeline 102 are heated by means of the resistance heating.
• FIG. 12 shows, viewed in cross-section, the injection pipeline 101 and production pipeline 102 lying within a deposit 103. Also shown is a power dissipation distribution 1201 in the event that the injection pipeline 101 and the production pipeline 102 are operated as resistance heating. As is immediately apparent from Figure 12, is to recognize NEN 103 an essential contribution Ver ⁇ power loss in a region of the deposit which lies essentially between the injection pipeline and the production pipeline 101 102nd Consequently, this area of the deposit is heated during the heating phase not only by means of hot steam but additionally by means of the resistance heating. Since the area 1202 in question heats up particularly quickly, bitumen can already be required from the region 1202 within a short time via the production pipeline 102. This leads to an accelerated start of production.
• the bearing Statte be heated 103 other than by hot vapor in addition ⁇ still by means of the resistance heater during the heating phase.
• the deposit 103 can be additionally heated by means of induction heating.
• the injection pipeline 101 can furthermore be exposed to specially treated superheated steam, in particular during the heating phase.
• a specific superheated steam may in particular be the vapor of a salty liquid.
• FIG. 1 shows a sectional view of a hollow pair 101, 102 of FIG. 1, the upper of the two tubes, ie the injection tube 101 of FIG. 1, forming in this case a first electrode a further horizontal pipe 106 provided that is specifically designed as two ⁇ th electrode.
• the perpendicular to the direction of the corrugated Pairs level 100 indicates the heat distribution after a certain operating time of the system with heated injections tion pipe 101 and any additional induction heating between the effective as electrode tubes 101 and 106 and 106 ', respectively.
• an inductive energization by the electrical connection takes place at the ends of the additional electrode 106 and the injection tube 101, so that there is a closed loop.
• the horizontal distance from the electrode 106 to the conveyor tube is w / h; the vertical distance of the electrode 106, 106 ', ... to the corpus, in particular injection tube 101, is for example wise 0.1 m to about 0.9 h. This results in practice distances between, for example, 0.1 m and 50 m. Resulting from them ⁇ Corresponding repetition ben in a position Statte with flat stretches of several hundred meters.

Landscapes

• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Geology (AREA)
• Mining & Mineral Resources (AREA)
• Physics & Mathematics (AREA)
• Environmental & Geological Engineering (AREA)
• Fluid Mechanics (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Geochemistry & Mineralogy (AREA)
• Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
• Processing Of Solid Wastes (AREA)
• Pipe Accessories (AREA)

Priority Applications (1)

Applications Claiming Priority (3)

Publications (2)

Family

ID=39467283

Family Applications (1)

Country Status (8)

Families Citing this family (52)

Family Cites Families (30)

• 2007
  • 2007-02-16 DE DE102007008292A patent/DE102007008292B4/de not_active Expired - Fee Related
• 2008
  • 2008-02-01 US US12/526,743 patent/US8091632B2/en not_active Expired - Fee Related
  • 2008-02-01 AT AT08708588T patent/ATE487024T1/de active
  • 2008-02-01 WO PCT/EP2008/051282 patent/WO2008098850A1/fr active Application Filing
  • 2008-02-01 DE DE502008001712T patent/DE502008001712D1/de active Active
  • 2008-02-01 RU RU2009134488/03A patent/RU2414592C1/ru not_active IP Right Cessation
  • 2008-02-01 PL PL08708588T patent/PL2122123T3/pl unknown
  • 2008-02-01 EP EP08708588A patent/EP2122123B1/fr not_active Not-in-force
  • 2008-02-01 CA CA2678473A patent/CA2678473C/fr not_active Expired - Fee Related

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events