明化镇

该井复配使用K-PHP和PAC-141，控制pH值为8.0～8.5，有效地稳定平原组、明化镇组井壁，减少井眼缩径、钻头泥包现象的发生；

Such additives as K-PHP and PAC-141 were added into this well , to control the pH value between 8 . 0 - 8 . 5 , this effectively stabilized the borehole , minimized bore shrinkage and bit balling ;

明化镇组沉积时期气温再度下降。

And the temperature descended again in Minghuazhen formation .

由此可见，明化镇组砂岩储层多数属于高孔-中渗储层。

Evidently , the majority of the town of Sandstone reservoir is high porosity-in and permeability .

钻井资料证实东侧最高部分为明化镇组覆盖在奥陶系之上。

Drilling data confirms the highest part of the east for the cover of ordovician in above .

下辽河平原南部明化镇组含水层咸水体运移规律

Movement of saline water in the aquifer of the Minghuazhen group in southern Liaohe lower river plain

热储层为上第三系馆陶组和明化镇组下部砂砾岩含水层。

The thermal reservoir includes sand-gravel aquifer of Guantao Formation and the bottom of Minghuazhen Formation of Neogene .

埕北243区块明化镇组保护油层的水平井钻井液研究

Study on drilling fluid for horizontal well to prevent formation damage in Minghuazhen formation , CB 243 block

浅层气的平面分布主要受构造背景和沉积相带控制，馆陶组气藏以气顶气为主，明化镇组气藏以气层气为主。

The plane distribution of the shallow gas in this area is mainly controlled by structural setting and sedimentary facies .

该井明化镇组、馆陶组地层粘土矿物以伊/蒙混层为主，亚甲基蓝容量高，膨胀性强，易坍塌掉块，油层易受污染。

Reactive illite / smectite mixed layer and more methylene blue capacity in the formation leads to swelling and sloughing .

储集层主要由馆陶组辫状河沉积砂体和明化镇组曲流河沉积砂体组成；

The reservoir is mainly composed of the braided channel sedimentary sand in Guantao formation and meandering river sedimentary sand in Minghuazhen formation .

济阳坳陷新近系馆陶组和明化镇组下段可划分出七个准层序组：馆陶组分为四个准层序组；明化镇组下段划分为三个准层序组。

Guantao formation & lower Minghuazhen formation of the Neogene system in Jiyang depression can be classified into four and three subsequence sets respectively .

渤中坳陷上第三系明化镇组与馆陶组发育浅湖相沉积，是华北含油气盆地上第三系储盖组合最佳的地区；

A shallow lake facies is developed in Neogene Minghuazhen and Guantao Formation , making Bozhong Sag the best area of Neogene reservoir seal combination in North China Basin ;

详细研究渤海湾盆地南堡凹陷新近系馆陶组和明化镇组泥岩的稀土元素地球化学特征。

This study presents the REE geochemical characteristics of mudstones from Guantao Formation ( Ng ) and Minghuazhen Formation ( Nm ) of Neogene in Nanpu sag , Bohai Basin .

较有利小层有明化镇组下段2亚段3层、三亚段3层等18个小层；

And there are 15 layers evaluated to be relatively favorable pay beds , including the 3rd layers in the 2nd and 3rd submembers of the lower member of Minghuazhen Formation ;

明化镇组主要发育四类盖层：中孔孔隙性、弹塑性断改、高孔孔隙性、塑性断改盖层。

Minghuazhen mainly developed four types of cover layer : In pore cap layer , elastic-plastic break to cover layer , high porosity porous cover layer , plastic broken change cover layer .

利用该模型对渤海油田平原组、明化镇组和馆陶组地层所使用的钻头进行评价，并进一步优选出该地层的钻头类型16种，经现场初步应用，取得了较好的效益。

Using the model , the bits in the formation of Bohai oilfield can be evaluated . 16 kinds of bit were optimized . After the on-site application , good economic benefit were obtained .

渤中251油田原油产于沙河街组，属于含蜡轻质油；渤中251S油田原油产于明化镇组，属于重质油；

The oil of BZ 25 、 1 oil field is produced from Shahejie formation , belonging to waxy light oil , while the oil of BZ 25 、 1S oil field is produced from Minghuazhen formation , belonging to heavy oil .