SU1344256A3 - Способ скважинных исследований земной формации и устройство дл его осуществлени - Google Patents
Способ скважинных исследований земной формации и устройство дл его осуществлени Download PDFInfo
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- SU1344256A3 SU1344256A3 SU742084016A SU2084016A SU1344256A3 SU 1344256 A3 SU1344256 A3 SU 1344256A3 SU 742084016 A SU742084016 A SU 742084016A SU 2084016 A SU2084016 A SU 2084016A SU 1344256 A3 SU1344256 A3 SU 1344256A3
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- USSR - Soviet Union
- Prior art keywords
- fluid
- chambers
- piston
- formation
- pistons
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 5
- 238000011835 investigation Methods 0.000 title 1
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 238000005755 formation reaction Methods 0.000 abstract 5
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 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
- E21B49/08—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
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- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sampling And Sample Adjustment (AREA)
- Geophysics And Detection Of Objects (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
Изобретение относитс к области промысловой геофизики и может быть использовано дл оценки флюидо- насьщенных пластов земной коры,Цель изобретени - повьшение точности и оперативности анализа формации,Цель достигаетс тем, что отбор пластового флюида осуществл ют в две камеры пробоотборника, при этом обеспечиваетс возможность поступлени флюида в каждую камеру с различными, наперед заданными скорост ми. При заполнении камер флюидом фиксируют в них изменени давлени , устанавливают зависимость между фактическими и максимально возможными скорост ми потока флюида.,по которым суд т о флюидонасыщенности пластов земной коры . Устройство дл реализации способа снабжено, в отличие от известных. Второй камерой, двум гидравлическими приводами и индикатором изменени давлени , причем поршни размещены в каждой из камер и соединены с гидравлическими приводами, а их рабочие поверхности имеют размеры, обеспечивающие их перемещение в камерах с различными, наперед заданными скорост ми . 2 с.п. ф-лы, 2 ил. § СО 4 4 Ю сл оэ
Description
Изобретение относитс к области промысловой геофизики и может быть использовано дл оценки флюидонасы- щенности пластов земной коры.
Цель изобретени повышение точности и оперативности айализа формации .
На фиг. 1 представлена блок-схема устройства дл скважинных исследований; на фиг..2 - функциональные зави (Р)
от
симости изменени давлени времени (t).
Устройство содержит корпус 1,две рабочие камеры 2 и 3, пробник 4, индикатор 5 измерени давлени и средство 6 дл расширени камер, содержащее камеры 7 и 8 с размещенными в них поршн ми, а также два привода 9 и 10 дл перемещени поршней, причем рабочие поверхности поршней имеют различные, наперед заданные размеры. Устройство кабелем 11 соединено с блоком 12 управлени и регистрации, расположенным на поверхности.
При двухкамерном исполнении устройства возможны четыре ситуации,которые иллюстрируютс графиками, изменени давлени Р-от времени t (фиг,2). Первый из них соответствует ситуации, когда приток флюида отсутствует и его скорость Qj О, второй - когда скорость притока флюида меныче возможной максимальной скорости Q, определ емой параметрами поршн первой камеры, третий - когда скорость притока флюида находитс между возможными максимальными скорост ми Qf и Q, определ емыми парамет- рами поршней обеих камер, ,и, наконец, четвертый-график определ ет ситуацию, когда скорость притока флюида больше или равна возможной максимальной скорости Q , определ емой параметрами поршн второй камеры.
Способ реализуетс при помощи устройства следующим образом.
В заданном интервале разреза, вскрытого скважиной, устройство прижимают к стенке скважины так, чтобы выход пробника оказалс изолированным от попадани в него бурового раствора.. Этого можно достичь, использу , например, резиновые манжеты , прижимаемые устройством к стенке скважины. Далее открывают доступ
пластовому флюиду в камеры При его поступлении в них фиксируютс изменени давлени . По этим изменени м ус- танавливают зависимость между фактическими и максимально возможными скорост ми потока флюида.
Изобретение позвол ет оперативно и непосредственно в пластовых усло- ВИЯХ определ ть продуктивность исследуемой формации и принимать решени о необходимости проведени дальнейших исследований.
Claims (2)
1.Способ скважинных исследований земной формации, предусматривающий отбор проб флюида в две камеры в процессе расширени объемов камер и измерени давлени , отличающийс тем, что, с целью повьш1е- ни точности анализа формации, производ т последовательное расширение
объемов камер, при двух различных, заранее установленных скорост х, соответствующих двум максимально возможным скорост м потока флюида, измер ют давление флюида непрерывно в процессе расширени объемов камер, использу значение давлени , наход т коррел ционную зависимость между фактическими и максимально возможными скорост м.и потока и по полученным
данным оценивают продуктивность исследуемой формации.
2.Устройство дл скважинных исследований земной формации, содержащее корпус с расположенным на нем
пробником дл впуска флюрща и камеру с двум поршн ми Д.ПЯ отбора проб флюида, подсоединенную к пробнику, отличающеес тем, что, с целью повышени точности анализа
формации, оно снабжено второй камерой , .двум гидравлическими приводами и индикатором изменени давлени , причем поршни размещены в каждой из камер и соединены с гидравлическими
приводами, а индикатор изменени давлени соединен с указанными камерами , при этом рабочие поверхности поршней имеют размеры, обеспечивающие перемещение указанных поршней в
камерах с различными, определенными заранее скорост ми.
/V //
,Q2
#7-7
№
фаг.1
Редактор Н.Тупица
Составитель Э.Волконский
Техред А.КравчукКорректор А.Зимокосов
Заказ 4841/59 Тираж 730Подписное
ВНИШИ Государственного комитета СССР
по делам изобретений и открытий 113035,-Москва, Ж-35, Раушска наб., д.4/5
Производственно-полиграфическое предпри тие, г.Ужгород, ул.Проектна , 4
Фиг. 2
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US424122A US3859851A (en) | 1973-12-12 | 1973-12-12 | Methods and apparatus for testing earth formations |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1344256A3 true SU1344256A3 (ru) | 1987-10-07 |
Family
ID=23681533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU742084016A SU1344256A3 (ru) | 1973-12-12 | 1974-12-11 | Способ скважинных исследований земной формации и устройство дл его осуществлени |
Country Status (12)
Country | Link |
---|---|
US (1) | US3859851A (ru) |
JP (1) | JPS5724479B2 (ru) |
BR (1) | BR7410295A (ru) |
CA (1) | CA1008359A (ru) |
EG (1) | EG11678A (ru) |
FR (1) | FR2254799B1 (ru) |
GB (1) | GB1495284A (ru) |
IE (1) | IE40125B1 (ru) |
IT (1) | IT1049332B (ru) |
NL (1) | NL180339C (ru) |
NO (1) | NO144273C (ru) |
SU (1) | SU1344256A3 (ru) |
Cited By (3)
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---|---|---|---|---|
RU2482273C2 (ru) * | 2007-12-31 | 2013-05-20 | Шлюмбергер Текнолоджи Б.В. | Способ для анализа скважинных данных (варианты) |
RU2558842C2 (ru) * | 2010-12-03 | 2015-08-10 | Тоталь С.А. | Способ измерения давления в подземной формации |
RU2564431C2 (ru) * | 2011-03-23 | 2015-09-27 | Шлюмбергер Текнолоджи Б.В. | Способы проведения измерений при предварительном исследовании скважин методом понижения уровня и устройство для этого |
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- 1974-11-28 NL NLAANVRAGE7415504,A patent/NL180339C/xx not_active IP Right Cessation
- 1974-11-28 NO NO744301A patent/NO144273C/no unknown
- 1974-12-04 CA CA215,201A patent/CA1008359A/en not_active Expired
- 1974-12-05 FR FR7439783A patent/FR2254799B1/fr not_active Expired
- 1974-12-06 IT IT30268/74A patent/IT1049332B/it active
- 1974-12-09 BR BR10295/74A patent/BR7410295A/pt unknown
- 1974-12-10 EG EG544/74A patent/EG11678A/xx active
- 1974-12-11 SU SU742084016A patent/SU1344256A3/ru active
- 1974-12-11 GB GB53510/74A patent/GB1495284A/en not_active Expired
- 1974-12-12 JP JP14303274A patent/JPS5724479B2/ja not_active Expired
Non-Patent Citations (1)
Title |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2482273C2 (ru) * | 2007-12-31 | 2013-05-20 | Шлюмбергер Текнолоджи Б.В. | Способ для анализа скважинных данных (варианты) |
RU2558842C2 (ru) * | 2010-12-03 | 2015-08-10 | Тоталь С.А. | Способ измерения давления в подземной формации |
US9890630B2 (en) | 2010-12-03 | 2018-02-13 | Total S.A. | Method for measuring pressure in an underground formation |
RU2564431C2 (ru) * | 2011-03-23 | 2015-09-27 | Шлюмбергер Текнолоджи Б.В. | Способы проведения измерений при предварительном исследовании скважин методом понижения уровня и устройство для этого |
Also Published As
Publication number | Publication date |
---|---|
IT1049332B (it) | 1981-01-20 |
US3859851A (en) | 1975-01-14 |
NO744301L (ru) | 1975-07-07 |
NL180339B (nl) | 1986-09-01 |
EG11678A (en) | 1977-09-30 |
CA1008359A (en) | 1977-04-12 |
JPS5724479B2 (ru) | 1982-05-24 |
FR2254799A1 (ru) | 1975-07-11 |
AU7558874A (en) | 1976-05-27 |
BR7410295A (pt) | 1976-06-29 |
IE40125L (en) | 1975-06-12 |
NL7415504A (nl) | 1975-06-16 |
NO144273C (no) | 1981-07-29 |
GB1495284A (en) | 1977-12-14 |
IE40125B1 (en) | 1979-03-14 |
NO144273B (no) | 1981-04-21 |
FR2254799B1 (ru) | 1978-06-23 |
NL180339C (nl) | 1987-02-02 |
JPS5092201A (ru) | 1975-07-23 |
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