EP1396607A3 - Method for measuring formation properties with a time-limited formation test - Google Patents
Method for measuring formation properties with a time-limited formation test Download PDFInfo
- Publication number
- EP1396607A3 EP1396607A3 EP03255458A EP03255458A EP1396607A3 EP 1396607 A3 EP1396607 A3 EP 1396607A3 EP 03255458 A EP03255458 A EP 03255458A EP 03255458 A EP03255458 A EP 03255458A EP 1396607 A3 EP1396607 A3 EP 1396607A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- formation
- pretest
- time
- properties
- limited
- 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.)
- Granted
Links
- 230000015572 biosynthetic process Effects 0.000 title abstract 8
- 238000000034 method Methods 0.000 title abstract 3
- 239000012530 fluid Substances 0.000 abstract 2
- 238000004891 communication Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/008—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by injection test; by analysing pressure variations in an injection or production test, e.g. for estimating the skin factor
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/10—Obtaining fluid samples or testing fluids, in boreholes or wells using side-wall fluid samplers or testers
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)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Measuring Fluid Pressure (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Treatment Of Sludge (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07023533.8A EP1898046B1 (en) | 2002-09-09 | 2003-09-02 | Method for measuring formation properties |
EP05006754A EP1553260A3 (en) | 2002-09-09 | 2003-09-02 | Method for determining mud compressibility |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US237394 | 2002-09-09 | ||
US10/237,394 US6832515B2 (en) | 2002-09-09 | 2002-09-09 | Method for measuring formation properties with a time-limited formation test |
US10/434,923 US7263880B2 (en) | 2002-09-09 | 2003-05-09 | Method for measuring formation properties with a time-limited formation test |
US434923 | 2003-05-09 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05006754A Division EP1553260A3 (en) | 2002-09-09 | 2003-09-02 | Method for determining mud compressibility |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1396607A2 EP1396607A2 (en) | 2004-03-10 |
EP1396607A3 true EP1396607A3 (en) | 2004-06-16 |
EP1396607B1 EP1396607B1 (en) | 2006-06-07 |
Family
ID=31980981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03255458A Expired - Lifetime EP1396607B1 (en) | 2002-09-09 | 2003-09-02 | Method for measuring formation properties with a time-limited formation test |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1396607B1 (en) |
CN (1) | CN100379939C (en) |
AT (1) | ATE329136T1 (en) |
AU (1) | AU2003244534B2 (en) |
CA (1) | CA2440494C (en) |
DE (1) | DE60305816T2 (en) |
MX (1) | MXPA03007913A (en) |
NO (1) | NO332820B1 (en) |
RU (1) | RU2316650C2 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7805247B2 (en) * | 2002-09-09 | 2010-09-28 | Schlumberger Technology Corporation | System and methods for well data compression |
FR2968348B1 (en) | 2010-12-03 | 2015-01-16 | Total Sa | METHOD OF MEASURING PRESSURE IN A SUBTERRANEAN FORMATION |
US9581019B2 (en) | 2011-03-23 | 2017-02-28 | Schlumberger Technology Corporation | Measurement pretest drawdown methods and apparatus |
US8839668B2 (en) * | 2011-07-22 | 2014-09-23 | Precision Energy Services, Inc. | Autonomous formation pressure test process for formation evaluation tool |
US20150057935A1 (en) * | 2013-08-22 | 2015-02-26 | Baker Hughes Incorporated | Modified flow rate analysis |
US11008853B2 (en) | 2019-03-08 | 2021-05-18 | Halliburton Energy Services, Inc. | Performing a downhole pressure test |
CN110617057B (en) * | 2019-09-17 | 2023-05-02 | 中海艾普油气测试(天津)有限公司 | Full-pipe type underground test pipe column and test method thereof |
CN113605879B (en) * | 2021-08-02 | 2023-03-21 | 中国石油大学(北京) | Method and device for calculating original formation pressure of coal reservoir |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4513612A (en) * | 1983-06-27 | 1985-04-30 | Halliburton Company | Multiple flow rate formation testing device and method |
US4745802A (en) * | 1986-09-18 | 1988-05-24 | Halliburton Company | Formation testing tool and method of obtaining post-test drawdown and pressure readings |
US5184508A (en) * | 1990-06-15 | 1993-02-09 | Louisiana State University And Agricultural And Mechanical College | Method for determining formation pressure |
US5703286A (en) * | 1995-10-20 | 1997-12-30 | Halliburton Energy Services, Inc. | Method of formation testing |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3934468A (en) | 1975-01-22 | 1976-01-27 | Schlumberger Technology Corporation | Formation-testing apparatus |
US4742459A (en) * | 1986-09-29 | 1988-05-03 | Schlumber Technology Corp. | Method and apparatus for determining hydraulic properties of formations surrounding a borehole |
US4936139A (en) | 1988-09-23 | 1990-06-26 | Schlumberger Technology Corporation | Down hole method for determination of formation properties |
US4860581A (en) | 1988-09-23 | 1989-08-29 | Schlumberger Technology Corporation | Down hole tool for determination of formation properties |
US5095745A (en) | 1990-06-15 | 1992-03-17 | Louisiana State University | Method and apparatus for testing subsurface formations |
US5233866A (en) | 1991-04-22 | 1993-08-10 | Gulf Research Institute | Apparatus and method for accurately measuring formation pressures |
US5635631A (en) * | 1992-06-19 | 1997-06-03 | Western Atlas International, Inc. | Determining fluid properties from pressure, volume and temperature measurements made by electric wireline formation testing tools |
US5329811A (en) * | 1993-02-04 | 1994-07-19 | Halliburton Company | Downhole fluid property measurement tool |
US5969241A (en) | 1996-04-10 | 1999-10-19 | Schlumberger Technology Corporation | Method and apparatus for measuring formation pressure |
US6230557B1 (en) | 1998-08-04 | 2001-05-15 | Schlumberger Technology Corporation | Formation pressure measurement while drilling utilizing a non-rotating sleeve |
US6427530B1 (en) * | 2000-10-27 | 2002-08-06 | Baker Hughes Incorporated | Apparatus and method for formation testing while drilling using combined absolute and differential pressure measurement |
-
2003
- 2003-09-02 AT AT03255458T patent/ATE329136T1/en not_active IP Right Cessation
- 2003-09-02 EP EP03255458A patent/EP1396607B1/en not_active Expired - Lifetime
- 2003-09-02 DE DE60305816T patent/DE60305816T2/en not_active Expired - Lifetime
- 2003-09-03 MX MXPA03007913A patent/MXPA03007913A/en active IP Right Grant
- 2003-09-03 AU AU2003244534A patent/AU2003244534B2/en not_active Ceased
- 2003-09-08 RU RU2003127112/03A patent/RU2316650C2/en not_active IP Right Cessation
- 2003-09-08 CA CA002440494A patent/CA2440494C/en not_active Expired - Fee Related
- 2003-09-08 NO NO20033971A patent/NO332820B1/en not_active IP Right Cessation
- 2003-09-09 CN CNB031255930A patent/CN100379939C/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4513612A (en) * | 1983-06-27 | 1985-04-30 | Halliburton Company | Multiple flow rate formation testing device and method |
US4745802A (en) * | 1986-09-18 | 1988-05-24 | Halliburton Company | Formation testing tool and method of obtaining post-test drawdown and pressure readings |
US5184508A (en) * | 1990-06-15 | 1993-02-09 | Louisiana State University And Agricultural And Mechanical College | Method for determining formation pressure |
US5703286A (en) * | 1995-10-20 | 1997-12-30 | Halliburton Energy Services, Inc. | Method of formation testing |
Also Published As
Publication number | Publication date |
---|---|
RU2316650C2 (en) | 2008-02-10 |
RU2003127112A (en) | 2005-03-10 |
DE60305816D1 (en) | 2006-07-20 |
NO332820B1 (en) | 2013-01-21 |
NO20033971L (en) | 2004-03-10 |
EP1396607B1 (en) | 2006-06-07 |
CN1495336A (en) | 2004-05-12 |
AU2003244534B2 (en) | 2006-05-18 |
AU2003244534A1 (en) | 2004-03-25 |
MXPA03007913A (en) | 2004-03-12 |
EP1396607A2 (en) | 2004-03-10 |
CN100379939C (en) | 2008-04-09 |
CA2440494C (en) | 2007-06-05 |
DE60305816T2 (en) | 2007-01-04 |
NO20033971D0 (en) | 2003-09-08 |
CA2440494A1 (en) | 2004-03-09 |
ATE329136T1 (en) | 2006-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2482273C2 (en) | Borehole data analysis method (versions) | |
WO2005084332A3 (en) | Methods for measuring a formation supercharge pressure | |
WO2008106376A3 (en) | Logging method for determining characteristic of fluid in a downhole measurement region | |
CN103758513B (en) | A kind of evaluation method simulating full-size well wall stability | |
WO2006120366A8 (en) | Methods for analysis of pressure response in underground formations | |
MY152694A (en) | Methods of calibrating a fluid analyzer for use in a wellbore | |
EP1898046A3 (en) | Method for measuring formation properties | |
WO2005113938A3 (en) | Methods for using a formation tester | |
NO20052121L (en) | Method for determining the properties of formation fluids | |
EP2292891A3 (en) | Method to inject a slurry into a subterranean formation | |
NO20092892L (en) | Method and apparatus for reducing the density of a wellbore fluid by downhole fluid analysis | |
WO2009142873A8 (en) | Downhole measurement of formation characteristics while drilling | |
MXPA05008715A (en) | Formation evaluation system and method. | |
CA2472436A1 (en) | Method and apparatus for performing diagnostics on a downhole communication system | |
WO1999058965A3 (en) | Evaluating properties of oil using dielectric spectroscopy | |
WO2009006524A3 (en) | Pressure interference testing for estimating hydraulic isolation | |
GB2478445A (en) | Method for monitoring cement plugs | |
CA2338119A1 (en) | Method and apparatus for measuring fluid density and determining hole cleaning problems | |
CA2454313A1 (en) | Method and apparatus for fast pore pressure measurement during drilling operations | |
EP1396607A3 (en) | Method for measuring formation properties with a time-limited formation test | |
EP2182166A3 (en) | Method and apparatus for testing swellable materials | |
DE602005013483D1 (en) | Method of measuring formation properties with a formation tester | |
WO2004099552A3 (en) | Determining gradients using a multi-probed formation tester | |
GB2460210A (en) | Fluid conductivity measurement tool and methods | |
BR0300400A (en) | Method and apparatus for performing a pre-test on a permeable rock formation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
17P | Request for examination filed |
Effective date: 20040818 |
|
17Q | First examination report despatched |
Effective date: 20041119 |
|
AKX | Designation fees paid |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CH Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060607 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060607 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060607 Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060607 Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060607 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060607 Ref country code: LI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060607 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060607 Ref country code: BE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060607 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060607 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20060607 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
REF | Corresponds to: |
Ref document number: 60305816 Country of ref document: DE Date of ref document: 20060720 Kind code of ref document: P |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060904 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060907 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060907 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060918 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060930 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20061107 |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20070308 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060908 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060607 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060907 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060607 Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20061208 Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20060902 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060607 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 14 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20170928 Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20171130 Year of fee payment: 15 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 60305816 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20190402 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20180930 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20220714 Year of fee payment: 20 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: PE20 Expiry date: 20230901 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20230901 |
|
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20231208 |