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摘要? 水平井分段多簇壓裂是非常規(guī)油氣效益開(kāi)發(fā)的必備技術(shù)之一,，明確段內(nèi)多簇裂縫起裂規(guī)律與流體分流主控因素對(duì)優(yōu)化分段分簇方案至關(guān)重要。本文針對(duì)一口典型分段多簇壓裂水平井,，首先獲取各射孔簇處測(cè)井原始數(shù)據(jù)和測(cè)井解釋數(shù)據(jù),，接著基于分布式光纖監(jiān)測(cè)技術(shù)，反演段內(nèi)段內(nèi)各裂縫起裂順序,、進(jìn)液比例和產(chǎn)液比例等數(shù)據(jù),，將測(cè)井?dāng)?shù)據(jù)與光纖監(jiān)測(cè)數(shù)據(jù)進(jìn)行對(duì)比分析，確定影響段內(nèi)多簇壓裂效果的主控因素,。結(jié)果表明：低水平最小主應(yīng)力,、高脆性指數(shù)的射孔簇優(yōu)先開(kāi)啟；影響前置液比例的測(cè)試數(shù)據(jù)中最關(guān)鍵4 個(gè)因素分別是：氣測(cè)數(shù)據(jù)>中子數(shù)據(jù)>伽瑪數(shù)據(jù)>聲波數(shù)據(jù),；影響攜砂液比例的測(cè)試數(shù)據(jù)中最關(guān)鍵4 個(gè)因素分別是：氣測(cè)數(shù)據(jù)>中子數(shù)據(jù)>伽瑪數(shù)據(jù)>聲波數(shù)據(jù)；影響產(chǎn)液比例的關(guān)鍵因素是總液分配比和φ×So。本文研究成果對(duì)制定水平井分段分簇壓裂方案具有一定的指導(dǎo)意義,。

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關(guān)鍵詞 ：段內(nèi)多簇,光纖監(jiān)測(cè),灰色關(guān)聯(lián),均勻壓裂,產(chǎn)液剖面

Abstract：

Horizontal well multi-stage fracturing is one of the necessary technologies for unconventional oil and gas development. Clarifying multi-cluster fracture propagation and the main control factors of the fluid shunt are crucial to optimizing the stages and cluster design. In this paper, firstly, the original logging data and logging interpretation data at each perforation cluster are obtained. Then, based on distributed optical fiber monitoring technology, the data of the fracturing sequence, liquid inlet ratio, and liquid production ratio of each fracture in the stage are calculated. The well logs and optical fiber monitoring data are compared and analyzed to determine the main controlling factors affecting the multi-cluster fracturing effect in the stage. The results show that the perforated clusters with low minimum principal stress and high brittleness index are opened first. The four most critical factors affecting the proportion of pre-liquid and the sand liquid are: QL> Neutron> Gamma Ray> Acoustic; The research results of this paper have significance for guiding formulation of a fracturing scheme for horizontal wells.

Key words： in-stage multi-cluster; optical fiber monitoring; grey relation analysis; uniform fracturing; production profile

收稿日期: 2023-12-29 ????

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基金資助:國(guó)家自然科學(xué)基金（52374057,、52104011）聯(lián)合資助

通訊作者: [email protected]

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王博, 李麗哲, 董小衛(wèi), 劉帥, 周福建. 基于鉆錄測(cè)數(shù)據(jù)驅(qū)動(dòng)的儲(chǔ)層可壓性無(wú)監(jiān)督聚類(lèi)模型及其壓裂布縫優(yōu)化. 石油科學(xué)通報(bào),2023, 06: 775-786. WANG Bo, LI Lizhe, DONG Xiaowei, LIU Shuai, ZHOU Fujian. Investigation into the controlling factors of the in-stage multi-cluster fracturing effects based on optical fiber monitoring. Petroleum Science Bulletin, 2023, 05: 775-786.

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