1、null null l : 2005- 09- 12; : 2005- 12- 03null nullTe:)( 1942- ) , 3, q) =, 1966 M8i,J Z_ “b5nullnull ( 1) |1 g u+201a110- 1a202S1 +M, 1 Q;S1 V ? / a =4 7;202 V ? “ ub ID: 1j,b),null S F k/ # Li5 T “ C null: F, 2002: 114 118null 24 K E, :J Mnull 3S 2 M null: F, 1995null 3 null 3S m“ Mnull: F, 1993nu
2、ll 4 0,null oZ M null: S/ , 1996null 5 nulldQ o M null: F, 2002null 6 Bakel A J,Philp R PnullThe distribution and quantization of organon-itrogen compounds in crude oils and rock pyrolysates Jnull OrganicGeochermisty, 1990, 16( 1 3) : 353 367null7 Yamamoto M, Taguchi T, Sasaki Knull Basic nitrogen c
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4、 null null null null+ null null null null null null null null null null null null null null null null null null null13 KeytechniquesforsutlereservoirevaluationinHuabeiOilFieldLIANG Xing- ru, LU Chuan- bing(HuabeiOilfieldCompany, PetroChina, Renqiu, Hebei 062552, China)Abstract: As the reservoirs dis
5、covered in recent years in Huabei Oil Field are those subtle reservoirs of high complexity in structure and for-mation style, high resistivity variation, and low porosity and permeability, new techniques such as pre- stack time domain migration of seis-mic data, reservoir prediction and delineation,
6、 abnormal pay zone identification and treatment are introduced, thus bringing high economicalbenefits, high ratio of reserve productivity, and showing themselves effective ways for production promotion.Keywords:subtle reservoir; reservoir evaluation; low permeability; Huabei oil provincePetroleummig
7、rationmechanisminShuangtai- HekouArea, WestDepressionofLiaoheBasin, NortheasternChinaHAN Xia1, 2, TIAN Shi- cheng1, ZHANG Zhan- wen2, HUANG Yi2(1. China University of Geosciences, Beijing 100083, China;2.LiaoheOilfieldCompany, PetroChina, Panjin, Liaoning 124010, China)Abstract: This paper discusses
8、 the source rocks, geochemical characteristic, oil- rock correlation, oil migration direction and favorable oilaccumulations in Shuangtai- Hekou area, Liaohe basin, based on maturity parameters of oil from different wells, the abosulte concentrationof nitrogen compound in oil, isomeride proportion o
9、f alkyl carbazole compounds with different polarity, and regional geology background.The study confirms the southeastern sedimentary depression in Hekou area was the major oil source area, ES3 source rocks were main hydro-carbon kitchens, and the petroleum migrated from this sag to the uplifted dire
10、ction, from Well SH201 to SH110- 1. Traps in the uplifteddirection are favorable oil accumulations.Keywords: Liaohe depression; western sag; aromatic hydrocarbon maturity; neutral nitrogen compound; hydrocarbon migration; Shuangtai- HekouA newevaluationmethodof theutilizationfactorofwaterinjectionin
11、waterfloodingoilfieldCAI Jue- heng, ZHOU Ji- pei, HUANG Hong- bing(LiaoheOilfield Company, PetroChina, Panjin, Liaoning 124010, China)Abstract: Water storage rate and water consumption rate are main indices of evaluating the utilization factor of water injection and water-flooding response. Correlat
12、ive empirical equation of relative permeability of oil and water phase is introduced, and the empirical equationsfor plotting cumulative water storage rate, stage water consumption rate and cumulative water consumption rate is deduced. By markingpractical production data on the curve chart plotted b
13、y the empirical equations, we can precisely evaluate the utilization factor of water injec-tion and waterflooding response.Keywords: water storage rate; water consumption rate; injection- production ratio; relative permeability of oil and water phasePredictionandapplicationofunflowing timeofhorizont
14、alwellsinsandstonereservoirWANG Tao1, CHEN Jun2, WANG Nu- tao2, YANG Jian- ping1, HAN Yi- long1(1. Tarim Oilfield Company, PetroChina, Kurly, Xinjiang 841000, China;2. SouthwestPetroleumInstitute, Chengdu, Sichuan 610500, China)Abstract: Study of unflowing time of horizontal well is important in the
15、 early designing stage of development plan and in production perfor-mance analysis. A case study has been conducted in Donghe sandstone reservoir, Hade 4, Tarim Oilfield, which is recovered by horizontalwells. It is proved that the unflowing pressure study helps to predict unflowing time and to quic
16、kly judge abnormal unflowing for potentialtapping. This study is of significant meaning for stabilizing oil production.Keywords: sandstone reservoir; horizontal well; unflowing time; predict; abnormal unflowing; quick judge; Tarim OilfieldAnapproachofdevelopinglowpermeabilityfracturedreservoirsbycyc
17、licwaterinjectionWANG Peng- zhi1, 2(1. China University of Petroleum, Dongying, Shandong, 257237, China;2. Changqing Petroleum ExplorationBureau, PetroChina, Xinull an, Shanxi 710021, China)Abstract: Core displacement experiment indicates that cyclic water injection can take advantage of the hydroph
18、ilic property of oil layer andthe water- intake and oil- drainage mechanism of capillary pressure to realize waterflooding, complement formation energy, and restore for-mation pressure. Cyclic water injection development can expand sweep radius and enhance displacement efficiency. Reservoir wettabil
19、ityand permeability are the main factors affecting the development response. This technology is easily operative, has been used in Toutai Oi-lfield, and gained wonderful result. Other similar reservoirs can refer to this method.Keywords: cyclic water injection; low permeability fractured reservoir; wettability; development test; recovery factor; Toutai Oilfield
