复合圈闭

研究区内收缩体系域共发现圈闭31个，其中构造圈闭10个，岩性圈闭16个，复合圈闭5个。

Thirty one traps are found in the shrinking system tracks , including 10 tectonic traps 16 lithology traps and 5 combination traps .

认为：东南部为油气运聚的主要指向，且为有利储集相带及局部构造发育区，是下一步油气勘探的重点部位，岩性－构造复合圈闭是主要的勘探类型。

Favorable reservoir facies tracts and local structures develop in the southeast the main directional area of hydrocarbon migration . Lithologic-structural combination traps are the main exploration types .

圈闭类型多样，以隐蔽圈闭和复合圈闭为主；

Types of trap are diverse and mainly subtle and compound ;

与断层转化调节相关的裂缝&岩性复合圈闭。

Fracture-lithologic trap is related with the transformation and adjustment of faults .

圈闭以古岩溶&岩性复合圈闭为主，勘探潜力较大。

The entrapment be priority to ancient karst-lithology combined trap , exploration potential .

圈闭主要是构造圈闭和有构造背景的复合圈闭。

The traps are mainly structural trap and composite trap with structural elements .

塔北地区复合圈闭勘探研究

The Researches for the Exploration of Complex Traps in the Northern Tarim Basin

古今复合圈闭是天然气勘探最有利的目标。

And ④ the ancient-pres ent superposition traps are the beneficial targets of exploring for natural gas .

该气田的圈闭实际是个构造与岩性、构造与地层组成的复合圈闭，在此构造背景上又有好的储集相带与之叠合，从而形成了储量大、产量高的大气田。

The trap of this gas field is a composite one combining structures with lithology and strata .

目的预测海拉尔盆地呼和湖凹陷下白垩统有利储集相带和复合圈闭。

AimInteresting Cretaceous reservoir belts and complex traps are predicted in Huhehu Depression of Hailar Basin , Notheast China .

大型地层&构造复合圈闭利于形成大气田。

And ⑤ a large sized stratigraphic structural combination trap is favourable to the formation of the giant gas field .

存在有断块（鼻）圈闭、岩性圈闭、地层圈闭、复合圈闭等多种圈闭类型；

In this sag , four traps are found : fault block or fault nose trap , lithologic trap , stratigraphic trap and complex trap .

弧前盆地圈闭类型较多，包括不整合圈闭、沿盆地轴向发育的一系列背斜、断背斜圈闭以及构造-岩性等复合圈闭。

There are many type of trap in fore-arc basin , including unconformity traps , anticlinal and faulted anticlinal traps developed along the basin axial and structure-lithology traps .

本区的构造演化过程表明本区主导圈闭不是构造圈闭，而是岩性圈闭、古地貌圈闭及二者联合作用组成的复合圈闭。

At last , the main trap manifested by the structure evolution in the area is not structural trap , but lithological trap , ancient landform trap and combination trap .

同时指出鸭子河地区深层油气的有限规模成藏实为由构造裂缝系统控制的小规模油气藏，属于构造裂缝和岩性复合圈闭成藏类型。

Meanwhile , the authors also point out that the small scale reservoir formation is controlled by tectonic fractures , it belongs to tectonic fracture and lithology complex trap types .

主要有构造圈闭（背斜、断层、鼻状）、非构造圈闭（地层、岩性）和复合圈闭三大类，上三叠统主要为背斜断层圈闭，侏罗系则以构造岩性圈闭为主。

There are three types of traps which include structural ( anticline , fault and nose-like ) and nonstructural ( stratigraphic and lithologic ) along with compound traps in Western Sichuan .

采用圈闭层封闭面成图技术方法对苏维依组进行分析，发现该组顶部存在构造-岩性型复合圈闭。

The formation was analysed by chart stacking technology along the sealing surface of the trap , a large tectonic lithologic complex trap was found in the top of the formation .

结合地震多属性油气预测结果，划分出了潍北东区块三个有利岩性-构造复合圈闭的勘探目标及下一步的勘探建议井位。

In the end , mark out three prospecting objects of available lithology-structure compound trap and designate the next proposal exploring well position combined with the result of seismic muti-attribute reservoir forecast .

早古生代主要发育非构造圈闭和复合圈闭，晚古生代和新生代则主要发育构造圈闭：构造圈闭主要发育在南北两带上，其次为中带；

Non-structural and compound traps mainly grew in the early Paleozoic . Structural traps mostly grew in the late Paleozoic and the Cenozoic and mostly grew on the north and south belts ;

上新世末的压扭抬升萎缩阶段是断背斜和断鼻等构造圈闭和构造&岩性复合圈闭发育时期；

In the end of Pliocene , the basin underwent the stage of compression-shearing uplift and shrink , structural traps of fault nose and fault-anticlines as well as structural-lithological combination traps were formed ;

深化勘探的首要目标是断层圈闭和地层-构造复合圈闭，次为背斜圈闭，兼及溶蚀岩性圈闭、岩性圈闭和残丘圈闭。

For the targets of deepening exploration , faulted traps and stratigraphic structural combination traps are the most important , and anticlinal traps , dissolved lithologic traps , lithologic traps and relic dome traps can be subordinated .

在巴什托构造带，指出上古生界发育了有利的构造岩性圈闭并且具备良好的保存条件，而玛南构造带下古生界发育有利构造岩溶复合圈闭，是油气富集的场所。

It is pointed out that the favorable structural lithological traps with good storage conditions developed in Upper Paleozoic . While Manan structure belt developed traps with favorable structure karst composite which were good for petroleum accumulation in Lower Paleozoic .

复合圈闭带控制着复合油气聚集带的形成，各复合油气聚集带的成藏条件相互匹配，形成特征油气成藏模式和油气分布规律。

Hydrocarbon pool-forming conditions matched with each other , and formed characteristic accumulation models and distribution rules in every composite hydrocarbon accumulation zone . The distribution of oil and gas was clarified for guiding the future petroleum exploration of the area .

低水位期发育的各类扇体，包括低水位扇、低水位楔、辫状水道以及下切河谷充填砂，都可能构成有效储层，并能形成隐蔽圈闭或复合圈闭。

Various types of quadrants developed at lower water level , including low water fans , low water wedge , braided channel and lower cutting valley backing sand , will become favorable oil beds , and form subtle trap or compound traps .

与断层有关的复合圈闭形成的气藏往往规模较大，构造圈闭次之，岩性圈闭大多形成规模较小的气土豆，其分布主要受沉积微相控制。

Combined traps related with faults have a larger scale , then structurally formed ones . In most cases , " gas potato " could be discovered within the lithologic traps , and their distribution is probably controlled mainly by sedimentary micro facies .

川东北宣汉-达县地区以构造圈闭为主要勘探对象，钻探成功率低，为此开展了以储层预测技术为主导的构造-岩性复合圈闭勘探。

Structural trap is the main exploration aim in the Xuanhan-Daxian area of the northeast of Sichuan Province , but the rate of success is very low . So , based on the reservoir prediction technique , the structural-lithologic complex trap exploration is gone into effect .

在油气勘探从以寻找构造圈闭为主逐渐转化为以寻找复合型圈闭和各类岩性地层圈闭为主的新阶段，储层地震预测技术得到了深入的研究也起着核心作用。

At the new phase of transition from mainly detecting structure closures to expecting compound structure and lithology formation closures , seismic reservoir predicting technology was deeply studied and played a key role .

吉林油田乾西北地区的油气主要富集于三角洲前缘相带的薄层砂体中，圈闭类型主要为岩性圈闭、岩性&构造复合型圈闭。

The oil / gas in Qian northwest area of Jilin Province is mainly concentrated on thin sand body with delta front facies . The trap types are mainly lithologic trap and lithologic structural composite trap .

地层岩性圈闭是本区油气富集的重要圈闭类型。地层岩性圈闭在研究区主要有砂体上倾尖灭岩性圈闭、砂岩透镜体岩性圈闭、地层岩性圈闭、复合型岩性圈闭；

The third is formation & lithological trap is the important trap form of petroleum enrichment in the region ;

潜山圈闭是基底断层活动的结果。对某一圈闭而言，往往具有复合成因，但圈闭的形成机制中，与盆地发育构造背景相一致的逆冲牵引背斜形成机制起主导作用。

The mechanism is that the thrust-drag anticline in accordance with tectonic setting plays the key role and most efficient traps are formed by fault processes .